- Geom etry Each grid square in th e figure at th e right is th e sam e size.
W hat p ercen t of th e figure is red?
Challenge 52. Shopping M arcia buys a dress th a t is o n sale for 15% off its original
price. She uses a store coupon to o btain an additional 10% off the sale
price. M arcia pays $91.80 for th e dress. W hat was th e original price of th e dress?
- Public Transportation In Mr. Ferreira's class, 80% of th e stu d en ts live m ore
th a n half a m ile from school. Of th o se students, 80% com e to school by public
transportation. Of the stu d en ts using public tran sp o rtatio n , 75% take th e bus, an d
75% of those students buy m onthly bus passes. Nine stu d en ts buy m onthly bus
passes. How m any stu d en ts are in Mr. Ferreira’s class?
m ra
^SAT/ACT
St a n d a r d i ze d Test Pr ep
- A rare disease has b e e n discovered th at affects 2 out of every 10,000 trees in a
forest. W hat p ercen t of trees are affected?
CK) 0. 0002 % G D 0. 002 % C O 0. 02 % C O 0. 2 % - O ne kilom eter equals ab o u t | mi. A E uropean racecar driver is driving at 120 km /h.
Approxim ately w hat is this speed in m iles p e r hour?
C O 75 m i/h C O 100 m i/h C O 16° m i/h CTC 192 m i/h - W hat is th e solution of | + | — 15 = 0?
CO 12 CO 18 CO^2430
Mixed Review
- Art A painting 36 cm wide a n d 22.5 cm tall is going to be re p ro d u ce d on a
postcard. The im age on the p ostcard will be 9 cm tall. How w ide will the
im age be? - Cats Alexis’s cat eats 3 cans of cat food every 5 days. Alexis is going away for
30 days. A friend has offered to feed h e r cat. How m any cans of cat food m ust
Alexis leave for h e r cat while she is away? - Taxis A taxi charges $1.75 for th e first | m i an d $.30 for each additional ^ mi.
W rite a n e quation th a t gives th e cost c of a taxi ride in term s of th e n u m b e r of
miles m. How m any m iles did you travel if a ride cost $7.75?
Get Ready! To p r e p a r e f o r Le sso n 2 - 1 0 , d o Ex e r c i se s 6 0 - 6 2.
Solve each percent problem.
See Lesson 2-8.
4ft See Lesson 2-7.
4p See Lesson 2-7.
4p See Lesson 2-9.
- W hat p ercen t of 8 is 100? 61. W hat is 20% of 3? 62. 35 is w h at p ercen t of 20?
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