Answer:
b - 9 = 2 I believe would be it
Answer:
$90 ÷ $2.50 = 36
Massimo rode the bus 36 times.
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Answer:
The ratio of jumping jacks to minutes is 120:2 or 60:1. He can do 60 Jumping jacks in 1 minute
Step-by-step explanation:
1 trillion is 10^9.
Thus, 21 1/2 trillion is 21 1/2 times 10^9, or 2.15 times 10^10
Hope this helps. If not, ask for clarification.
