Question

Tennis ball machine can launch 60 tennis balls in 12 minutes. At this rate, how many tennis balls can it launch in 1 hour

Answer 1

300

Explanation:

12x5=60 so in 1 hour, the machine can launch 60x5 balls. and 60x5=300 (hope this helped and sorry if it's wrong)

Answer 2

Explanation:

if the machine launch

60 balls...........................12 min

?..........................................60 min

60*60/12=3600/12=300 balls