203k views
4 votes
Two speeds are in the ratio 12:5 . If the first speed is 8km/h . what is the second speed?

User Chrsblck
by
7.9k points

1 Answer

5 votes

Write two ratios equal to each other :

12/5 = 8/x(second speed)

Cross multiply:

12x = 40

Divide both sides by 12:

X = 3.333 or 3 1/3 km/h


second speed = 3.33 ( as a decimal) or 3 1/3 ( as a fraction) km/h

User Ranjit Jhala
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories