Question

there are 3 types of items in a box pencil ,scale and eraser. if the no. of pencil is double the no. of eraser and the no.of scale is square of no. of pencil. find the count of each if the total is 45

Answer 1

If there are x erasers, then

x + 2x + (2x)^2 = 45
x = 3
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