Answer:
the number is 87
Step-by-step explanation:
the photo contains step by step
Answer:
40 days
Step-by-step explanation:
w1*h1*d1=w2*h2*d
15*8*20=10*6*d
2400=60d
d=2400/60
d=40
Answer:
c
Step-by-step explanation:
Multiply the number of days by the amount of time you save each week.