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Help how is this the answer

Help how is this the answer-example-1
User Sanzy
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1 Answer

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Answer:

The answer is correct, here's why:

Explanation:

Dr. Silva's tank holds 15 gallons of gas.

She added 11.55 gallons to her tank to fill it up.

This means she must have had 5 gallons to start with because 5 - 11.55 = 5

User Elliotrock
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