Mathematics, 26.02.2020 05:53 lif3isanenigma

Please help me. 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.

a. 1/3×?=2/5

b. 1/3÷2/5=?

c. 2/5÷1/3=?

d. 2/5×?=1/3

Answers: 1

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Please help me. After charging for 1/3 of an hour, a phone is at 2/5 of its full power. How long wil...