# Irene Wu

Popular questions and responses by Irene Wu-
## math

Kim has $4.75 in nickels and dimes. If she has twice as many dimes as nickels, how many of each coin does she have?

*asked on February 9, 2015* -
## math

If 60 feet of uniform wire weighs 80 pounds, what is the weight of 2 yards of the same wire?

*asked on January 24, 2015* -
## math

The length of an arc of a circle equals 1/8 of the circle's circumference. What is the diameter of the circle if the length of the arc is 3.14?

*asked on September 16, 2014* -
## math

A baseball player's batting average is calculated by dividing the number of times a player got a hit by the total number of times the player was at bat. It is expressed as a decimal rounded to three decimal places. After the first ten games of the

*asked on November 19, 2015* -
## math

If p pencils cost d dollars, how many pencils can be bought for c cents?

*asked on January 24, 2015* -
## math

Michelle is now 50 miles ahead of John. Michelle is travelling at a constant rate. John is traveling in the same direction, at a rate 10 miles per hour faster than Michelle. In how many hours will John catch up to Michelle?

*asked on September 16, 2014* -
## algebra

I have twice as many nickels as quarters. If I have $1.75 in total, how many of each do I have?

*asked on November 10, 2015* -
## math

Franklin Furniture Company sells chairs for $110 each and tables for $322 each. Last month the company sold 65 items for a total of $12,450. How many chairs and how many tables did they sell?

*asked on January 28, 2015* -
## math

Jessica sold 210 magazine subscriptions during a fundraiser at her school. The subscriptions either cost $23 per year or $45 for two years. Her sales totaled $6,150. How many one-year and how many two-year subscriptions did Jessica sell?

*asked on January 28, 2015* -
## math

The Downtown Theater group sold 650 tickets to its latest production. They sold only regular seats and box seats. Regular seats cost $12 each and box seats cost $18 each. Altogether, the theater collected $8,550 in ticket sales. How many regular seats and

*asked on January 28, 2015* -
## math

At c cents per pound, what is the cost of a ounces of salami?

*asked on January 24, 2015* -
## math

A piece of fabric is cut into three sections so that the first is three times as long as the second and the second is three times as long as the third. What part of the entire piece is the smallest section?

*asked on January 24, 2015* -
## math

At a miniature golf course, the fourth hole involves hitting the ball through a cylindrical tube that falls to a circular green below, as shown in the illustration. The diameter of this green is 76 inches, and the diameter of the hole is 4 inches. Using

*asked on January 19, 2015* -
## math

Maureen fills a cylindrical tin with sugar cookies for a gift. She plans to put a ribbon around the tin and then attach a bow onto the ribbon as shown in the illustration. The bow itself will take 15 inches of ribbon. If the diameter of the tin is 9

*asked on January 19, 2015* -
## math

The length of an arc of a circle equals 1/8 of the circle's circumference. What is the diameter of the circle if the length of the arc is 3.14?

*asked on September 17, 2014* -
## math

Michelle is now 50 miles ahead of John. Michelle is traveling at a constant rate. John is traveling in the same direction, at a rate 10 miles per hour faster than Michelle. In how many hours will John catch up to Micelle?

*asked on September 17, 2014* -
## math

If k/x=b and b-3=ay, which of the following correctly expresses y?

*asked on September 16, 2014* -
## math

Frank is 5 years older than Mary. In 5 years, Frank will be twice as old as Mary is now. How old is Mary now?

*asked on September 16, 2014* -
## math

A father can do a job in a certain number of hours. His son takes twice as long to do the job. Working together, they can do the job in 6 hours. How many hours does it take the father to do the job alone?

*asked on September 16, 2014* -
## math

A car going 60 miles per hour set out on a 400-mile trip at 12:00 P.M. Exactly 20 minutes later, a second car left from the same place and followed the same route. How fast, in miles per hour, was the second car going if it caught up with the first car at

*asked on September 16, 2014* -
## math

The markdown price of a computer game was $45.00, which represented 75% of the original selling price. What was the original selling price?

*asked on September 16, 2014*