Homework Help: Math Hurry!

Posted by Sonja on Tuesday, October 30, 2012 at 3:30pm.

Gabriela traveled by motorcycle at an average speed of 17 miles per hour.

Then, she traveled by car at an average speed of 12 miles per hour.

In total, she traveled 56 miles for 4 hours.

How many miles did Gabriela travel by car? (Round to the nearest mile.)

Math Hurry! - Steve, Tuesday, October 30, 2012 at 3:39pm
If she biked for x hours, she drove by car for 4-x hours.

since distance = speed * time, add up the distances:

17x + 12(4-x) = 56
x = 1.6

check:
17*1.6 = 27.2
12*2.4 = 28.8
total: 56 miles.

What junker of a car travels 12 mph?
Math Hurry! - Anonymous, Tuesday, October 30, 2012 at 3:42pm
That must have been a mopad or something because what kind of motorcycle goes that slow?

Answer this Question

Related Questions

Algebra - Ben traveled by car at an average speed of 29 miles per hour. Then, he...
speed-distance-time - Please help me with this problem. Two cars started from ...
Math - The relationship between the speed of travel and the distance traveled ...
Math - Cars P and Q started simultaneously from opposite ends of a straight 300-...
Math - Ms.abbot went on a road trip. The trip was 792 miles and the average ...
math - a truck driver traveled at an average speed of 48 miles per hour on a 100...
math - A motorcycle leaves Colorado Springs traveling north at an average speed ...
Algebra - A truck driver traveled at an average speed of 58 miles per hour on a ...
Math - A car traveled 281 miles in 4 hours 41 minutes. What was the average ...
College Algebra - A truck driver traveled at an average speed of 55 miles per ...

For Further Reading

First Name:
School Subject:
Answer: