Answer:
3
Step-by-step explanation:
So you already know the difference between the new number and original number, so all you have to do now is plug it in to this: Percentage Change=Difference/Original Number x100. So 17.99/257=.07x100 which equals 7%. So B is the correct answer.
Answer:
$9
Step-by-step 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.
