Answer:
Step-by-step explanation:
earns $6.25
x=21
subtract 6 from both sides get -1/3x=-7
multiply -1/3 or -1/3 as decimal times -7
and get x=21
If brainiest is earned its greatly appreciated. :)
800 × ( 3.87÷ 100 ) × 1
= 30.96
The answer is -3b+21
