Answers

 Answers

Lesson 1

1. 1641.8
2. 544
3. 1247
4. 45
5. 33.42

Wp: 15mph

Lesson 2

1. 14/10 = 7/5 = 1 and 2/5
2. 2/10 = 1/5
3. 2177.5
4. 8/72 = 4/36 = 2/18 = 1/9
5. 74.78

Wp: 420 miles

Lesson 3

1. 110.11
2. 90.09
3. 248/7 = 35 and3/7
4. 861
5. 6000

Wp: 2 and ½ hours

Lesson 4

1. 6270.083
2. 17.91
3. 315
4. 26
5. 2424

Wp: 10.44 metres per second