which of the following shows a proportion
a. 2:4 = 8:10
b. 3:5 = 10:6
c. 4:7 = 7:4
d. 5:6 = 10:12
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Answer:
(D). 5:6 = 10:12
Step-by-step explanation:
a. 2:4 = 8:10
2 × 10 ≠ 8 × 4
20 ≠ 32
Not in Proportion
b. 3:5 = 10:6
3 × 6 ≠ 5 × 10
18 ≠ 50
Not in proportion
c. 4:7 = 7:4
4 × 4 ≠ 7 × 7
16 ≠ 49
Not in proportion
d. 5:6 = 10:12
5 × 12 = 6 × 10
60 = 60
It is in proportion
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