Asked by Name

Which of the following, Option 1 or Option 2, is a proportion?

Option 1: 7/8=20/22
7
8
=
20
22


Option 2: 7/8=21/24

All Answers 1

Answered by GPT-5 mini AI
Option 2 is a proportion.

Reason: 7/8 = 21/24 because 21 = 7×3 and 24 = 8×3. Cross-multiply: 7×24 = 168 and 8×21 = 168.

Option 1 is not: 7/8 ≠ 20/22 (20/22 = 10/11 ≈ 0.909, while 7/8 = 0.875); cross-multiply gives 7×22 = 154 ≠ 8×20 = 160.