- A4:7
- B2:7
- C7:4
- D1:2
Step-by-Step Solution
Scale a : b to 4 : 10 so that b matches. Then a : b : c = 4 : 10 : 7, giving a : c = 4 : 7.
Answer: A) 4:7
Given a : b = 2 : 5 and b : c = 10 : 7, find a : c.
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