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David's last equation to solve is x/100+3/100=8/100. Write and solve an equivalent equation with easier numbers that would give him the same answer.

Verified Answer :

iGreen

\(\sf\dfrac{x}{100}+\dfrac{3}{100}=\dfrac{8}{100}\)

Subtract 3/100 to both sides:

\(\sf\dfrac{x}{100}=\dfrac{5}{100}\)

Cross multiply:

\(\sf100x=500\)

Divide 100 to both sides:

\(\sf~x=5\)

Or we could just multiply both sides of the equation by 100, to give us:

\(\sf~x+3=8\)

Subtract 3 to both sides:

\(\sf~x=5\)

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