3 years ago

HELP ME OUT PLEASEEEE

Mathematics

1 answer:

leva [86]3 years ago

3 0

Answer:

y = x + 15 and 40 minutes

Step-by-step explanation:

y = x + 15 ( 15 mins more than friend )

let y = 55 and solve for x

x + 15 = 55 ( subtract 15 from both sides )

x = 55 - 15 = 40

Friend swam for 40 minutes

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