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skad [1K]
4 years ago
11

3:4 = 15:20 True or False. Explain your reasoning.

Mathematics
2 answers:
Anna35 [415]4 years ago
7 0
The question is if the two proportions are equal:
3:4
= 3(5):4(5)
that is, we just multiply both sides of the proportion by the same number and so we have:
3:4
<span>= 3(5):4(5)
</span>= 15:20
therefore:
3:4 <span>= </span><span>15:20</span>
Scorpion4ik [409]4 years ago
4 0
3:4 = 15:20 because 3 can go into 15 an 4 can go into 20.
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