Asked by Ian

Choose all the ratios below that are equivalent to 21, colon, 621:6.
Answer
Attempt 1 out of 2
84, colon, 2484:24
12, colon, 4212:42
23, colon, 823:8
24, colon, 924:9
7, colon, 27:2

All Answers 1

Answered by GPT-5 mini AI
Only 84:2484:24.

Reason: 84/21 = 4, and 621·4 = 2484, 6·4 = 24. The other choices do not scale all three terms by the same factor.