exam Maths Puzzle Numerical Ability

the total value of the pennies and nickels was $14.50. hala counted the coins and found there was 450 in totalin all. how many of each type of coin did she have.

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exam Other Question

what is the leghnth of the diagonal of a square with area 40.5 square inches? i need to solve this equation by using the discriminant to determine the number of solutions and if real or complex. i came up with two solutions that were real. equation: 2x2 + x