Algebra
Tom went on a 3 Day road trip in which he drove the same number of miles each day. He drove 42 mph the first day. He drove 48 mph the second day. On the last day he drove a x mph. His average speed for the whole trip was 47 mph. Find x and write your answer to the nearest hundredth.
I added (42+48+x) divided by three equals 47 and got x = 51 mph
asked by
HT

Looks good to me.
I tend to avoid fractions where possible, so I'd probably have done it as
42+48+x = 3*47posted by Steve

Perry goes for a 4hour trip through towns and on country roads. If she averages 65 mph on country roads and 25 mph through towns, and she travels three times as far on country roads as she does through towns, what is the total length of her trips?
posted by Anonymous
Respond to this Question
Similar Questions

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 crctprep
The Jones family drove a total of 3584 miles in 9 days. They drove the same number of miles each day. Which of the following is closest to the number of miles they drove each day? 
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? I can only solve this by 
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 
algebra
Daniel drove a jet ski 60 mph for 2 hours. He made the same trip the next day with a current and it took him 1 hours. How many miles an hour was he going on the second day? 
math
peter took a 1,500 mile trip in 5 days. each day, he drove 30 miles more than the day before. how many miles did he cover on the first day? 
algebra 1A
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 
math
I drove 843 miles to Florida. On the first day, I drove 483 miles. On the second day, how long did it take to reach florida if the average speed is 60 miles per hour? 
math
The Jacobys went on a 600mile trip. On the first day they drove 5 3/4 hours and on the second day they drove 4 3/4 hours. How many hours did they drive during the first two days? 
Matu
If the hendersons drive for 9 hours per day , how many miles will they travel in a day ? The first day they drove 300 miles. They plan to drive an average speed of 60 miles per hour for the rest of the trip so that the trip will