Question

24 POINTS!!!!!!!!!!!!!!!!!

Answer 1

Step 1: 0.4 - 1.6 = 1.2

Step 2: 1.2 + 9.6 = 10.8

The answer is B=10.8

Hope this helped :)

Answer 2

Answer:

$a=6$

$b=12$

Step-by-step explanation:

Step 1

Find the value of the ratio

$\frac{x}{y}=\frac{0.5}{0.4}=1.25$

Step 2

Find the value of a

$\frac{a}{4.8}=1.25$

$a=4.8*1.25=6$

Step 3

Find the value of b

$\frac{15}{b}=1.25$

$b=15/1.25=12$