Using Code Words/mixed Operations Worksheets With Answer Key Page 4
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• • • • • • • • • • • • • • • • • • • • Brain Builders
Problems
13. Mrs. Anderson’s Girl Scout troop has $600 in savings. The girls collected 50% of the money by
recycling aluminum cans, 15% of the money came from donations and 35% of it came from their
annual auction. How much money was raised by recycling cans? _______
donations? _______ by having an auction? _______
14. Your purchases total $24.95. If the sales tax rate is 6%, what is the total amount that you must
pay? (round up to the nearest penny) _______
15. On Monday, 100 students arrived on two buses. On Tuesday, many students had the flu, and only
75% of Monday’s group arrived at school. How many students had the flu? _______
16. Two hundred and fifty people are expected to turn out for the 4th of July picnic. Sixty percent of
them will be children. How many children are expected to attend? _______
17. Four hundred new homes are being built in the town of Frankfort, and only 5% have swimming
pools. How many have swimming pools? _______
18. Marco had 300 trading cards. His friend, Juan, told Marco he will give him 75% more. How
many cards is Juan going to give to Marco? _______
19. Johnson’s Drugs has penny candy. Ian purchased $0.65 of taffy and $0.20 for root beer barrels.
There is a $0.02 sales tax. How much does he pay? _______
20. A round-trip subway train ticket costs $0.55. A 20-trip pass costs $9.50. If you took 20 trips,
how much did you save by buying the pass? _______
21. On a cell phone, there is a charge of $0.03 per minute. How many minutes can you talk for
$0.78? _______
22. A big shipment of computer parts arrived at Don’s Computer World. It weighed 360 pounds.
Inside the shipment, each box weighed 1.25 pounds. How many boxes were in the shipment?
_______
23. At $0.17 per pound, how many pounds of gumdrops can you buy for $1.02? _______
24. Eli painted 1 —
of the living room wall and stopped when the phone rang. What percent of the
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wall did he paint? _______
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