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BabaBlast [244]
3 years ago
7

Theo is buying hamburger and bratwurst by the pound for his party. He wants to know how much meat he has to buy to feed all of h

is guests, so he writes the inequality 4x+5y≥55. Which answer choice is a possible interpretation of his inequality?
A He needs to feed at least 55 people, where a pound of hamburger feeds 4 people and a pound of bratwurst feeds 5 people.

B He wants to feed no more than 55 people, where hamburger costs $4 per pound and bratwurst costs $5 per pound.

C He needs to feed no more than 55 people, where a pound of hamburger feeds 4 people and a pound of bratwurst feeds 5 people.

D He needs to feed at least 55 people, where hamburger costs $4 per pound and bratwurst costs $5 per pound.
Mathematics
1 answer:
melisa1 [442]3 years ago
5 0
I think the answer is D.
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Problem 3: Let x = price of bag of pretzels Let y = price of box of granola bars  
We have Lesley's purchase: 4x+2y=13.50
 And Landon's: 1x+5y=17.55 
 We can use the elimination method. Let's negate Landon's purchase by multiplying by -1. -1x-5y=-17.55 
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 Plug back into Landon's purchase to solve for pretzels.
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 552-24m+30m=606
 6m=54
 m=9 = number of metal bats sold
 Therefore since w = 23-m, w = 23-9 = 14. 14 wooden bats were sold.


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