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Which of these situations does not have quantities that combine to make 0?
A. 4 cups of water are added to a mixture. Then 4 cups of flour are
added.
B. A car is filled with 10 gallons of gas. 10 gallons are then used on a
drive across the state.
C. Mary receives $26 for babysitting. She then spends $26 on a new
jacket.
D. A dolphin swims 20 feet straight down from the surface. It then
rises 20 feet to return to the surface.


Sagot :

Answer:

A. 4 cups of water are added to a mixture. Then 4 cups of flour are

added.

Step-by-step explanation:

While all the rest have a positive and negative factor, answer a has 2 positives.