Question

Determine the answers to the following percentage problems (3): a) A car is travelling at 85km/h and then increases its speed to 115km/h. What is the percentage increase in speed?​

Answer 1

600/7% OR 85.71%

Explanation:

increase in speed =v-u

I=115-85

I=30km/h

percentage increase =(I/u) ×100

30/85 ×100

6/17×100

600/7%