algebra 1A
posted by loraine .
a family travels to Bryce Canyon for three days. on the first day, they drive 150 miles. on the second day, they drive 190 miles. what is the least number of miles they drove on the third day if their average number of miles per day was at least 180?

algebra 1A 
PsyDAG
Mean = Σx/n
180 = (150+190+x)/3
Solve for x.
Respond to this Question
Similar Questions

math
Erica took 2 days to drive 1,020 miles. On the first day she drove 10 hours at an average spped of 62 mile per hour. on the second day, her average spped was 57 miles per hour. approx. how long did she drive on the 2nd day? 
math
word problem: The Rory family drove 310 miles each day for 4 days. Then on Friday they drove 250 miles to Centerville. On Saturday they drove 150 miles to Westfield. What else do you need to know to determine how many miles they averaged … 
Math
Cari Bean was on her way to the islands in her yachet. Because of the waves and the currents, she was making irregular progess. The first day she traveled 100 miles. The second day she traversed 120 miles, and the third day only 90 … 
math
A family drives 600 miles in 2 days. The second day they drive 120 miles less than the first day How many miles did they drive the first day? 
3rd grade math
evan drove into the country for a long weekend. he planned to drive 118 miles on each of 4 days, however his car broke down and he was only able to drive 43 miles on the first day. how many miles per day must he drive to reach his … 
Math
Hunter and his father drove 582 miles in 4 days. They drove 102 miles on the first day. Then they drove the same number of miles on the second, third, and fourth days. How many miles did they drive each day after the first day? 
math
On a three day hike, Robert hiked twice as many miles on the first day as on the second day. On the third day he hiked 5 miles. Carlos hiked 5 miles on the first day and three times as many miles on the second day as on the third day. … 
algebra
Family on a road trip. travels x miles on day 1. On day 2 they go 52 miles more than three times the number of miles traveled on day 1. The 3rd day they go 83 miles fewer than day 1. write and simplify an expression for the total number … 
math solve the problem using the four step plan
At the end of their 3day vacation, the Palmers traveled a total of 530 miles. On the third day,they drove 75 miles. On the second day,they drove 330 miles. How many miles did they drive the first day? 
Matu
If the hendersons drive for 9 hours per day , how many miles will they travel in a day ?