Arithmeticmedium · Past Paper
If 30% of $A = 40%$ of $B$, then $A:B$ is:
A4:3
B3:4
C7:3
D4:7
✓ Correct Answer: A — 4:3
0.3A = 0.4B => A/B = 0.4/0.3 = 4/3.
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