Answer:
x = -5/3
-1.667
Step-by-step explanation:
Im going with c for the answer
Multiply 4.50 by 0.07
4.50*0.07 = 0.315
Then the sales tax is about $0.32.
You can also do it mentally. Moving the decimal point in 4.50 once to the left gives you 10% of the original amount, 0.45. Move it again to get 1% of the price, 0.045. Then multiply this by 7 to get 7%.
11 is the average...that i get.
Answer:
55
Step-by-step explanation: