Answer:
42
Step-by-step explanation:
The answer must be A or B. Since the person is trying to pay for AS MUCH people as possible. So, therefore the answer is A.
20
20 = 1 x 20
100 = 5 x 20
The answer is 15 or 3 I think but I'm not sure
I=1.5m
m+1.5m=20
2.5m=20
m=8
20-8=12
Isobel worked 12 hours.