Question

How do you write 1 is to 2 as 5 is to x
as a proportion in fractional notation?(1 point)
Responses

1 : 2 = 5 : x
1 : 2 = 5 : x

21=5x
2 over 1 is equal to 5 over x

12=5x
1 half is equal to 5 over x

1 : 3 :: 5 : x
1 : 3 :: 5 : x

Answer 1

Write it as 1/2 = 5/x.
Cross-multiply: 1·x = 2·5, so x = 10.