Question

A machine makes 500 rubber balls in 30 minutes .how many rubber balls will it make in 7/2 hours​.​

Answer 1

Answer:

30 minutes =30/60=1/2

In 1/2 hours ball makes by machine =500. In 1 hours balls make by machine =500*2/1=1000 balls In 3 1/2(7/2)hours balls make by machine =500*2*7/2=3500 balls