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PROBLEMS - %

PERCENTAGE CALCULATIONS & WORD PROBLEMS

QuestionAnswer
WRITE 27/100 AS A PERCENT 27%
REWRITE 22% AS A FRACTION 11/50
USE PERCENTS TO COMPARE 1/4 AND 1/5 1/4=25% ; 1/5=20%
REWRITE 86% AS A DECIMAL .86
40% OF 50 = 20
18% OF ___ = 12 66 2/3
THERE WERE 124 STUDENTS AT A BASEBALL GAME. BY THE TIME THE SCORE WAS 15 TO 1, ONLY 32 STUDENTS WERE LEFT. FIND THE PERCENT DECREASE IN THE NUMBER OF STUDENTS 74.2%
DeJUAN BOUGHT A $15.00 CD ON SALE FOR $12.60. WHAT PERCENT IS THIS OF THE REGULAR PRICE? WHAT PERCENT DISCOUNT DID HE GET? 84% ; 16^
A $20 T-SHIRT IS ON SALE AT A 25% DISCOUNT. WHAT IS THE SALE PRICE OF THE SHIRT $15.00
AT A SHOPPING MALL, 45% OF 220 STORES SELL CLOTHING. HOW MANY CLOTHING STORES ARE THERE? 99
BY WHAT PERCENT DOES THE AREA OF AN 8FT BY 6FT RECTANGLE CHANGE IF ITS LENGTH AND WIDTH ARE BOTH INCREASED BY 50%? 125% X/100 = ((12*9)-(8*6))/(8*6)
A SKATEBOARD THAT NORMALLY SELLS FOR $84.99 IS ON SALE FOR $70.00. BY WHAT PERCENT HAS IT BEEN MARKED DOWN? 17.6% X/100 = (84.99-70.00)/$84.99
IF A DINNER BILL WERE $43.80, HOW MUCH WOULD A 15% TIP BE? $43.80 X 15% = $6.57
JORGE HAS EXACTLY $20. IF THE SALES TAX IS 7%, CAN HE BUY A SHIRT THAT IS PRICED AT $19.95? EXPLAIN No ; 7% of 19.95 = 1.39 $1.39 + $19.95 > $20
Created by: hgerlach