Answer:
$9
Explanation:
Cost per bottle of Lemonade = $0.30
Let b represent the number of bottles that you sell which is given as:
30 bottles
Equation for solving
= 0.30 × b
= 0.30b
Hence,
Total cost for 30 bottles of Lemonade is:
0.30 × 30
= $9
Hence, you can make $9 from selling 39 bottles of Lemonade.