cupkakekawaii45

01.09.2019 • 

Mathematics

Three people went to lunch. me. anderson spent a total of $13 on one entrée and 2 sides. mr. allen spent a total of $19.50 on 2 entrée and 1 side. if the lunch special made each entrée the same price (as the other entrées) and each side the same price (as the other sides), how much did hungry mr. greene spend in 3 entrées and 2 sides? set up a linear systems and solve

Ответ:

cameron12502

02.01.2022

Mathematics

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Mr. Anderson
x= entree
y=side
1x+2y=13.00
solve x then plug in into Mr. Allens equation (2x+1y=19.50)
x=13-2y
plug
2(13-y)+y=19.50
26-4y+y=19.50
y=2.17
plug y in to get x     x+2(2.17)=13, solve x=8.66
Mr Greene
3x+2y
3(8.66)+2(2.17)= 30.32

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Ответ:

KariSupreme

13.12.2020

Mathematics

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there are many angles what angles are you talking about

Step-by-step explanation:

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