Page 179 - TB_5B

2 . a . 22% b . 10% c . 9% d . 75%

3. a. 2 b. 3 c. 3
25 20 10

12 3 9 Activity 1 P. 80~81
1. a.
d . 25 e. 5 f . 10 Solid Figure
4 . a . 0.15 b . 0.2 c . 0.71
e . 0.5 f . 0.66
d . 0.38

Activity 3 P. 74~75 Guess
1. b. 6
2 . b . 14 c. 9 d . 3.2
c . 24 d. 1

Activity 4 b . 70 c . 200 P. 76~77 Check
1 . a . 75
2 . b . $25.2 c . $35.7 d . 25 b . Solid Figure
d . $90
Guess
3. b. 25 8
100

There are 32 classmates.

c. 12 9
100

There were 75 airplanes. Check

d . The price of the table: 92 23 69 c . Solid Figure

Percent of the total: 69 100 75% Guess
92

The price of the table was 75% of the total
price.

Unit 25. Skyscrapers? Not Without Me Check

P. 78~79

168