Question

Can you answer this please (A) 443 (B) 135 (C) 45 or (D) 30

Answer 1

B. 135

Explanation:

1.
`(3)/(10) = (x)/(450) \\`

2. 3 * 450 = 1350

3. 10 * x = 10x

4. 1350 = 10x

5.
`(1350)/(10) = (10x)/(10)`

6. 135 = x