morenosandra824 morenosandra824

16-11-2019
Mathematics

contestada

ariel solved the equation below.
7.9÷n=0.79
what value of n makes the equation true.

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16-11-2019

Answer:

n = 10

Step-by-step explanation:

Solve for n:

7.9/n = 0.79

7.9/n = 79/(10 n) and 0.79 = 79/100:

79/(10 n) = 79/100

Take the reciprocal of both sides:

(10 n)/79 = 100/79

Multiply both sides by 79/10:

Answer: n = 10

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