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astra-53 [7]
2 years ago
5

Consider the problem: After charging for 1/3 of an hour, a phone is at 2/5 of its full power. How long will it take the phone to

charge completely? Decide whether each equation can represent the situation.

Mathematics
2 answers:
prisoha [69]2 years ago
5 0

Answer:

Equation 2

is the answer

Step-by-step explanation:

Alinara [238K]2 years ago
4 0

To calculate the time for a full charge, you would divide the time already charged by the amount of charge:

1/3 / 2/5 = 1/3 x 5/2 = 5/6 of an hour for full charge.

You could use 2 and 4 to find the time.

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Answer:

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Step-by-step explanation:

In order to find the answer, first you have to calculate 80% of the number of tests Ms. Morris has:

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