Math Word Problems Demystified - A Self Teaching Guide

3 :

3 chapters

10 days

¼

15 chapters

xdays

10  15 ¼ 3 x

150 ¼ 3 x

150

3

¼

31 x

31

50 days¼x

4 :

12 yards

3 costumes

¼

xyards

10 costumes

3 x¼ 12  10

3 x¼ 120

31 x

31

¼

120

3

x¼40 yards

5 :

4 pounds

1250 sq:ft:

¼

xpounds

3000 sq:ft:

1250 x¼ 4  3000

1250 x¼ 12 ; 000

12501 x

12501

¼

12 ; 000

1250

x¼ 9 :6 pounds

6 :

$ 3250

3 months

¼

x

12 months

3 x¼ 3250  12

3 x¼ 39 ; 000

31 x

31

¼

39 ; 000

3

x¼$ 13 ; 000

58 LESSON 6 Using Proportions