Question

the sum of half of a number and 49 is 2 1/4 of the number. find the numberif a number is tripled it gives the same result as when 28 is added to it. find the number

Answer 1

Let the unknown number be X.

0.5X+49=2.25X

2.25X = 0.5X + 49

2.25X - 0.5X = 49

1.75X = 49

X= 49÷1.75

X=28

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