If he had no money left over, the least number of brownies he had to have sold is 15 brownies. He would have made $4.20, and this would be enough to buy 7 packs of cards.
he nbeeds to have atleast sold 3
X + y = -15. Subtract x from both sides.
y = -x - 15. This is as far as we can go with the provided information.
Answer:
4+11a+8b
Step-by-step explanation:
1) 4+3a+2b+6b+5a+3a
2) 3a+3a+5a=11a. 2b+6b=8b