Janine's dog weighs three pounds less than twice the weight of Wanda's dog, d. Which

expression represents the weight of Janine's dog?

A. 2 + d-3

B. 3 + d-2

C. 2d - 3

D. 3-2d

How do I substitute equations

Albert could race 4 times as fast as Bernard. For this reason Albert could race 48 miles in 3 hours less than it took Bernard to race 30 miles. How fast could each of them race? What was the time of a racer?

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