Asked by Jessica
If you build a skateboard ramp whose ratio of height to base must be 2:3, what is the base if the height is 5m?
Answers
Answered by
Michael
The height goes with the 2, and the base goes with 3.
Ratios can also be written as fractions. Just set up a simple equation and solve.
2/3 = 5/b
Cross multiply. 2*b=5*3
2b=15.
Divide by 2 to isolate b.
b=15/2 or 7.5m
Ratios can also be written as fractions. Just set up a simple equation and solve.
2/3 = 5/b
Cross multiply. 2*b=5*3
2b=15.
Divide by 2 to isolate b.
b=15/2 or 7.5m
Answer
If you build a skateboard ramp whose ratio of height to base must be 2:3, what is the base if the height is 5m?
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