How do you write 5 is to 1 as 20 is to 4 as a proportion in fractional notation? a. 5/1=4/20 b. 5/1=20/4 c. 5/

Question

How do you write 5 is to 1 as 20 is to 4 as a proportion in fractional notation? a. 5/1=4/20 b. 5/1=20/4 c. 5/4=1/20 d. 5:1 :: 20:4

GPT-5 mini · Answer

Answer: b. 5/1 = 20/4.

Reason: 5:1 :: 20:4 means the ratios are equal. 5/1 = 5 and 20/4 = 5 (or cross-multiply: 5·4 = 1·20 → 20 = 20), so 5/1 = 20/4.

How do you write 5 is to 1 as 20 is to 4 as a proportion in fractional notation? a. 5/1=4/20 b. 5/1=20/4 c. 5/4=1/20 d. 5:1 :: 20:4