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MAth Help?
Okay 8th grade math. On Graphing inequalities. On a test today there was this question I wasnt sure of.The question said that this guy jeff was having a party with a budget of $120. He was going to invite 25 people. He thought that everyone would have 2 sodas (each soda was $0.75) and 1/2 a pizza (each full pizza was $6) On his estimate would he be over his budget? You had to make a inequality. I got 0.75x + 6y <(or equal to)120$. Then I solved it. Can you guys solve it? I want to know if I did it wrong. Thanks
He would not go over
the price for soda is given by x(1.50) because each person drinks 2 sodas
the price for pizza is given by x(3) because each person eats half a pizza
therefore for x = 25 the expenses = 112.50
112<125
I thought since he was inviting 25 people you would have to do 0.75(Sodas) * 2 * 25 to get total soda cost and then 6 * 1/2 * 25 to get total pizza cost and then add and get 121.50$
2 Answers
- 1 decade ago
He would not go over
the price for soda is given by x(1.50) because each person drinks 2 sodas
the price for pizza is given by x(3) because each person eats half a pizza
therefore for x = 25 the expenses = 112.50
112<125
