exam Maths Puzzle Numerical Ability

A wallet contains $5 bills and $10 bills. There are 15 bills in the wallet with a total value of $120. Determine the number of $5bills and the number of $10 bills in the wallet.

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exam Other Question

What is the y value of the y-intercept for the graph of the equation

-4x+5y=9?

Is it 9/5 A rancher plans to use 160 yards of fencing to enclose a rectangular corral and to divide it into two parts by a fence parallel to the shorter sides of the corral. Find the dimensions of the corral if its are is 100yd2.