As part of her fitness routine, Jacqueline has set a goal of doing a combination of jumping jacks and squat thrusts for two straight minutes. It takes her 1 second to do each jumping jack and 2 seconds to do each squat thrust. Which equation could be used to find possible combinations of jumping jacks, j, and squat thrusts s, in 2 minutes time?
a. 2j + s = 2
b. 2j + s = 120
c. j + 2s = 2
d. j + 2s = 120

Question

As part of her fitness routine, Jacqueline has set a goal of doing a combination of jumping jacks and squat thrusts for two straight minutes. It takes her 1 second to do each jumping jack and 2 seconds to do each squat thrust. Which equation could be used to find possible combinations of jumping jacks, j, and squat thrusts s, in 2 minutes time?
a. 2j + s = 2   
b. 2j + s = 120   
c. j + 2s = 2
d. j + 2s = 120

anonymous · Answer

okay, it is given that s = thrusts and j is jumps

anonymous · Answer

and it is given the time : 2 minutes aka 120 seconds

anonymous · Answer

you know that she does 1j per 1 second while 1s per 2 seconds

anonymous · Answer

are you able to figure it out now?

anonymous · Answer

D is the answer, anyway

nathan917 · Answer

Yes i would agree.