Answer:

1. n=12

2.n=2

Step-by-step explanation:

1.)

4/5=n/5

{Reduce the fraction with 9)

60=5n

{Simplify the equation using cross-multiplication}

5n=60

{Swap the sides of the equation}

n=12

{divide both sides of the equation by 5}

2.)

20=10n

{Solve the proportion using cross-multiplication}

10n=20

{Swap the sides of the equation}

n=2

{Divide both sides of the equation by 10}

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Answer:

1.answer n=12

2.5n/5 =40/5

Step-by-step explanation:

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1. solution yan picture

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