Answer:
B=8
Step-by-step explanation:
B/4=B-6/4
4B=16B-96
96=12B
B=8
$15 + $32.50 + 8% = $51.30
15 + 32.50 = 47.50
8% × 47.50 = 3.80
47.50 + 3.80 = 51.30
Answer:
6 : 1
Step-by-step explanation:
b - 3a / 9 = a /3
Cross multiply
3(b - 3a) = 9a
Expand
3b - 9a = 9a
Add 9a to both sides
3b = 9a + 9a
3b = 18a
Divide both sides by 3
b = 6a
Ratio of a : b
6 : 1
9/56 is already in its simplest form. You CANNOT make it more reduced than this
To find the difference, subtract Thea's earnings from Hadley's earnings.

Thea earned $54 more than Hadley.