MCQ
If $a : b = 2 : 5,$ then $(3a + 4b) : (5a + 6b)$ is equal to.
- ✓$13 : 20$
- B$26 : 33$
- C$16 : 27$
- D$18 : 35$
✓
Answer
Correct option: A.
$13 : 20$
$13 : 20$
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