Answer:
I don't know how I would know but if he takes 30 minutes or less on each individual activity then he is correct, if he exceeds those limits, he is incorrect.
Step-by-step explanation:
Answer:
I think it's option B ...
Is there a diagram to this problem?
Answer:
its the first one
Step-by-step explanation:
Two equations two unknowns
1. 3a + 6s = 60
2. 5a + 3s = 44
solve for a in 1, a = (60 - 6s)/3 = 20 - 2s
substitute into 2
5(20 - 2s) + 3s = 44
solve for s
s = 8
substitute in 1
a = 4