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.
2 answers:
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First multiply each term by 24(the common denominator found by 8×3) to remove the fractions and make things easier.
This will give you,
Then just continue to simplify and isolate the variable.
This will give you,
Then just continue to simplify and isolate the variable.