Answer:
28%
Step-by-step explanation:
It would be -4x+(-12)=12 good luck
Answer:
30
Step-by-step explanation:
Equation y = 3x + 210
if y = 10x
10x = 3x + 210
or, 10x - 3x = 3x + 210 - 3x
or, 7x = 210
or, x = 210 ÷ 7
or, x = 30
Depends to what time (month, days, weeks) I'll assume annually which would be 150$ a year
