Nina has 25 tennis balls and Hal has 30.

Which equation can be used to calculate how many more tennis balls Hal has than Nina?

A.

x + 25 = 30

B.

x - 30 = 25

C.

25 - x = 30

D.

30 + 25 = x

What number should both sides of the following equation be divided by to solve for x? (6.4) x = 32 4 6.4 6 5

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