for A multiply 85 and 30. then subtract 30 by the product, this gives you the sale price. For B you do the same thing but you multiply 18 and 85. then 18 subtracted by the product which gives you the sale price.
7k + 4 is the simplified version
Goes +3
18, 21, 24, 27, 30
-12 would be it because 2 negatives make a positive so -11+23 is -12
Answer:
one doughnut costs 59 cents
Step-by-step explanation:
