exam Maths Puzzle Numerical Ability

the sum of two whole numbers is 72 the diffenence between them is 48 what is the number?

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exam Other Question

Solve each equation by the subtraction method. Determine whether the equation are independent, dependant, or inconsistent.

8. x - y = 3
x3 - 2y = 3

14. x = y - 1
y = x + 39 what is the surface area of a cilynder with a diameter 12 inches and height of 8 inches? use 3.14 for pie