Question

For every 3 hours that Juan spends practicing the violin he practices the cello for 2.5 hours. Nina is learning to play the viola and cello. For every 3 hours Nina spends practicing the viola she practices the cello for 2 hours. If Juan practiced the violin for 9 hours last week and Juan and Nina practiced the cello for the same amount of time, then Nina practiced the viola for hours_________ last week.

Answer 1

i put 7.5 btw

Answer 2

@dan815

Answer 3

22.5 hours

Answer 4

That's not what I got

Answer 5

if juan practices the violin for 9hrs, and we know that for every 3 on the violin theres 2.5 on the cello, then hm hrs on the cello for 9hrs on the violin?