exam Maths Puzzle Numerical Ability

The length of a rectangle is 5 cm more than 4 times its width. If the area of the rectangle is 80 cm2, find the dimensions of the rectangle to the nearest thousandth.

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exam Other Question

the sum of three numbers is 20.The second number is 4 times the first, and the sum of the first and third is 8. find the number In the period of a year an investor lost twice as much as he gained. if he originally had $10,000 and now has $8,000 what amount did he gain and what did he lose?