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11-10-2020
Mathematics

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The sum of two numbers is 100; the first number is 12 less than the second number? What equation best represents the following

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saijuchacko saijuchacko

11-10-2020

Answer:

Let the first number be f.

Let the second number be s.

f = s-12

f+s = 100

Substitute the f in the first equation for the second equation.

s-12+s = 100

2s-12 =100

2s = 112

s = 56

Therefore f = 56-12 = 44

The 2 numbers are 56 and 44.

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