Soluzione
Soluzione
Fasi della soluzione
Translate the problem into an equation:
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Tommy is 3 years older than Fred. 4 years ago, Tommy was 4 times as old as Fred. Calculate Fred's present age.You know the perimeter of a square to be 16 meters. Find the length of one side.What is the result when the number 22 is decreased by 9.1%?four times a number decreased by six7.5% of what number is 6.75