21.30^ 65/1000 = 1,3845 ( sales tax )
21.30-1,3845= 19.91 ( shirt )
I got 65/1000 is because it’s a decimal if you have a decimal and you want to make it to a whole number you have to times the denominator and the numerator with the same number and when u find the tax price u just substract the after tax price of the shirt
135.05 = 50 + 9.45x
85.05 = 9.45x
x = 85.05/9.45
x = 9
Mariana worked for 9 hours.
Answer:
number 2. Hopes this helps
Step-by-step explanation:
I believe that is the answer
N=3
Because 6+6=12
Hope this helps