Question

Which quantity is proportional to 90⁄2? Check all that are true. 45⁄1 15⁄3 180⁄3 180⁄4 270⁄8

Answer 1

45/1 and 180/4

Explanation:

1. True

`(90)/(2)=(45\cdot 2)/(1\cdot 2)=(45)/(1)`

2. False

`(15)/(3)=(3\cdot 5)/(3\cdot 1)=(5)/(1)\\eq (45)/(1)`

3. False

`(180)/(3)=(60\cdot 3)/(3\cdot 1)=(60)/(1)\\eq (45)/(1)`

4. True

`(180)/(4)=(45\cdot 4)/(1\cdot 4)=(45)/(1)`

5. False

`(270)/(8)=(135\cdot 2)/(4\cdot 2)=(135)/(4)\\eq (45)/(1)`