Lesson 15
Use proportions to calculate the actual length of the striped cucumber beetle.
30.
Scale:
1 cm = 0.25 cm
Change to 12-hour time.
b. 00:00
c. 09:10
31. a. 14:15
Change to 24-hour time.
32. a. 10:00 p.m.
b. 7:00 a.m.
c. 12:45 a.m.
Using the information, draw a double line graph. Label each line to show whether it represents
actual or normal rainfall. Then answer the questions below.
The table shows actual rainfall and normal rainfall for six months.
33.
Month
Actual Normal
March
2.5¬¬
3.5¬¬
April
4.5¬¬
4.5¬¬
May
3.5¬¬
4.0¬¬
June
3.5¬¬
3.5¬¬
July
3.5¬¬
3.0¬¬
August
1.5¬¬
3.0¬¬
2.0
1.0
0.0
34. During which two months was the rainfall much lower than normal?
35. What was the range of the actual rainfall per month?
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