ARITHMETIC STUDY GUIDE

ANSWERS:

find common denominator : ( think of the whole as )
subtract from whole : reduce to lowest terms of the money

8.(A)

Friday
Saturday

45-15-18=$12.00 remaining

9.(C)

of the worker’s time

	note: 2 decimal places
	note: 1 decimal places
	note: decimal point is placed 3 places from the right

note: decimal point is placed 2 places from the right
280 is the number nearest to 266.88

13. ( C )
Deposits = $250. + $350. =$ 600.00
With drawals = $174.89+ $68.00 + $57.76 = $300.65
Balance + deposits – withdrawals = new balance
$ 275.38 + $600.00 - $300.65 = $574.73

Each person paid $14.63

17. ( C )

18. ( A )

Total perimeter = 60 inches

19. ( C ) ( change % to decimal)

21. (B ) 125 gallons x .80

125 – 100 = 25 gallons of gas saved

150 -117 = 33 missed

games

(Note: divide by 5 because there are 5 numbers in the problem)

Sources:
North Shore Community College, Danvers, MA, Student Support Center study guides
AIMS Community College, Greeley, Colorado arithmetic study guide
Santa Fe Community College, Gainesville, FL arithmetic study guide

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