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Complete Question
Carolina goes to a paintball field that charges an entrance fee of $18 and $0.08per ball. The field has a promotion that says, "Get $10 soff if you spend $75more!" Carolina wonders how many paintballs she needs to buy along with the entrance fee to get the promotion.
Let B represent the number of paintballs that Carolina buys.
1) Which inequality describes this scenario?
Choose 1 answer:
(Choice A)
A
18+0.08B≤75
(Choice B)
B
18+0.08B≥75
(Choice C)
C
18+0.08B≤10
(Choice D)
D
18+0.08B≥10
2) What is the smallest number of paintballs that Carolina can buy along with the entrance fee to get the promotion?
paintballs
Answer:
a
1) The correct equation is:
Option B) 18+0.08B≥75
2)Carolina needs to buy at least 712 paintballs
Explanation:
We are told in the question that:
Carolina goes to a paintball field that charges an entrance fee of $18 and $0.08per ball. The field has a promotion that says, "Get $10 soff if you spend $75more!"
Hence, our inequality equation is:
Let us represent the number of balls as B
$18 +0.08 × B ≥$75
18 +0.08B ≥75
0.08 ≥ 75 - 18
0.08B ≥57
B ≥ 57/0.08
B≥ 712.5
Therefore, Carolina needs to buy at least 712 paintballs.