A bin of hard candy holds 101⁄2 pounds.How many 3⁄4-pound boxes of candy can be filled from the bin?
Answer(s): D
Divide 101⁄2 by 3⁄4. You can perform this operation by multiplying 101⁄2 by the inverse of 3⁄4: 101⁄2 × 4⁄3 = 21⁄2 × 4⁄3 = 84⁄6. This fraction, reduced, becomes 14.
A patio measures 12 feet by 14 feet.How many 8-inch-square paving stones are needed to pave the patio?
Answer(s): B
First multiply length × width to determine the area of the patio: 12 feet × 14 feet = 168 square feet. Next determine the area in square inches that needs to be covered: 168 square feet × 12 inches = 2,016 square inches. Finally, divide that answer by the size of the stones to determine the number of stones needed: 2,016 ÷ 8 = 252.
A computer programmer is making $25,000 per year. 28% of her salary is withheld for federal and state deductions.How much is the computer programmer’s net pay?
Calculate the amount of the deduction by multiplying her salary by the percent deducted: $25,000 × 28% = $25,000 × 0.28 = $7,000. Subtract that product from the salary to determine the net pay: $25,000 – $7,000 = $18,000.
Pam cuts a pie in half in a straight line. She then cuts a line from the center to the edge, creating a 55-degree angle.What’s the supplement of that angle?
When the sum of two angles is 180 degrees, the angles are said to be supplemental to each other. To find the supplement, subtract 55 from 180 (180 – 55 = 125).
A stack of lumber is 6-feet high.If each piece of lumber is 4-inches thick, how many pieces of lumber are in the stack?
Answer(s): C
Multiply the height of the stack in feet by 12 to determine the height of the stack in inches: 6 × 12 = 72 inches. Divide that number by 4 inches, the thickness of each board to determine the number of pieces of lumber in the stack: 72 ÷ 4 = 18.
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