Problem Solving
page 211 no. 5
50
page 97 practice book no. 2
21
page 98 practice book no.4
13
page 212 no.6
48
page 97 practice book no. 3
9
page 98 practice book no. 5
24
page 212 no. 7
40 < 48
48 > 40
page 98 practice book no. 1
20
page 98 practice book no. 6
14
page 212 no. 8
92
page 98 practice book no 2
34
page 97 practice book no. 1
24
page 98 practice book no. 3
13