1. Find the missing term to make the proportion true. Write your answer on
the blank
a. 9: n = 27:15. n =
b. n: 8 = 12:32. n =
2. Complete the sentences.
a. Ten books is to 5 pupils as books is to 15 pupils
b. Three bananas for 4.00 as 12 bananas for
3. Partition each quantity into the specified ratio
a. 75 in the ratio of 2:3,
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Answer:
A. 9: n = 27:15 n = 5
B. n:8 = 12:32 n = 3
A. Ten books is to 5 pupils as books is to 15 pupils : 30
10/5 = 30/15
10×5=2
2×15=30
B. Three bananas for 4.00 as 12 bananas
Answer : 16
3/4 = 12/16
12÷3=4
4×4=15
A. 75 in the ratio of 2:3
Answer : 30 and 45
2:3=75
(2+3)5÷75=15
15×2=30
15×3=45