Question

I need help with 63 64 and 65 please please please help

Answer 1

#64
Let x represent the time spent for valleyball
Then swimming will be 2x

x + 2x = 4.5
3x = 4.5
x = 4.5/3
x = 1.5

Time spent on valleyball: 1 1/2 hours
Time spent on swimming: 3 hours