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ninaaforever
17.05.2021 •
Mathematics
Help pls I just need to answer this to get the passing score
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Ответ:
the cost of cherry= $5
the cost of lemon= $10
Step-by-step explanation:
let cherry pies be x
and lemon pie be y
total cost for Emily
4x+y=301
total cost for molly
8x+6y=1002
solve 1 and 2 simultaneously
4x+y=301
8x+6y=100---2
multiply 1 by 2
8x+2y=603
-8x+6y=100---2
0x-4y=-40
y=10
put y=10 in 1
4x+y=301
4x+10=301
4x=30-10
4x=20
x=20/4
x=5
the cost of cherry= $5
the cost of lemon= $10