It’s c I think sorry if I’m wrong, I did this lesson long time ago
Answer:
11.59 hours {Basically 12 hours]
Step-by-step explanation:
Sarah's coin rate is 23 coins/8 minutes, or 2.875 coins/minute
Rate * Time(X) = Coins
(2.875 coins/min)*(X) = 2000 coins
X = (2000 coins)/(2.875 coins/min)
X = 695.65 minutes
(695.65 minutes)*(1 hour/60minutes) = 11.59 hours
B. 10, C. 4.9, D. 5.1, E. 5
70 times, because there is one four, giving him the change of 1/6
