2 years ago

Caroline saves $45 in 4 months. at that rate, how long will it take her to save $180?

Mathematics

1 answer:

vesna_86 [32]2 years ago

8 0

It will take her 16 months to save $180.

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Twice a number is equal to 35 more than seven times the number. Find the number

amm1812

number - n

Twice a number - 2n

Seven times the number - 7n

2n = 7n +35

7n-2n = -35

5n = -35

n = - 7

Check:

2(-7) = 7(-7) +35

-14 = -49 + 35

-14 = -14 True

The number is (- 7).

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bagirrra123 [75]

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