Question

Help asap please :)
I have a few questions on Rates and Ratios.

Answer 1

Identify the value that makes each pair of ratios equivalent?
1. 5:15 and 12:18
2. x:4 and 45:20
3. 21 to x and 7 to 10
4. x to 50 and 16 to 25
5. 6 to 8 and 18 to x
6. \[\frac{ 9 }{ 36 } and \frac{ x }{ 4 }\]

Answer 2

@foolofatook @mathmale

Answer 3

2) 9
3) 3.3
4) 32
5) 24
6) 1