The error is that 15 was subtracted on the left side when it should’ve been added.
Corrected equation:
27 = n-15
Add 15 to both sides
42 = n
24.99 + 39.99 = 64.98
69.53-64.98 = 4.55
4.55/69.53 = 0.0654 = 6.5% sales tax
Answer:
4 number
Step-by-step explanation:
number of apples purchased to the cost of the apples
Let k be the amount of t-shirts brayan sold:
( k x 3 ) = 36
= 36 divided by 3 = 12