Tuesday

July 29, 2014

July 29, 2014

Posted by **Nahar** on Friday, October 4, 2013 at 4:11am.

The average age of a family of 6 members is 25 years. The average of the family after a 45 years old members leaves is?

In a course a students final exam is weighted twice as heavily as his midterm exam.If a student receives a score of 84 on his final exam and 90 on his midterm exam ,what is the average for the course?

- VNS,Math -
**Steve**, Friday, October 4, 2013 at 5:32am#1: If the price is x, then we must have

50*60 + 25*56 + 25x = 58(50+25+25)

#2: (6*25-45)/5

#3: (90+2*84)/3

**Related Questions**

math - An investor bought 150 shares of an airline.She paid $60 per share for 50...

math - mr harris bought 4 for $0.50, mrs clarke bought 21 for $1.00, mr montaro ...

math investments - I am unsure how to figure out this question please explian Mr...

MATH! - bob and his dad visited the hardware store on saturday. they observed ...

Math - Bob and his dad visited the hardware store on Saturday. They observed the...

economics - Bob and his dad visited the hardware store on Saturday. They ...

algebra - Bob and his dad visited the hardware store on Saturday. They observed ...

MATH - bob and his dad visted the hardward store on sunday. They observed the ...

Please help with math!! - Ted Andrews bought 15 shares of Clark Company stock at...

math - Mrs smith sold 200 shares of a stock for 5,975 dollars, when the price ...