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levacccp [35]
3 years ago
14

PLEASE HELP!!!

Mathematics
2 answers:
mamaluj [8]3 years ago
5 0
The third one -3(1.5n-1)
just olya [345]3 years ago
3 0

Answer:

-3(1.5n - 1)

your welcome

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HELP, PLEASE.
Oksanka [162]
X=amount of apples bought. (in pounds)
y=amount of bananas boutht (in pounds)
We can suggest this system of equations:

 x+y=3.8
1.9x+0.75y=5.84

We can solve this system of euqtions by substitution method.
x+y=3.8        ⇒ y=3.8-x

1.9x+0.75(3.8-x)=5.84
1.9x+2.85-0.75x=5.85
1.15x=5.84-2.85
1.15x=2.99
x=2.99/1.15
x=2.6

y=3.8-x
y=3.8-2.6
y=1.2

Answer:  C.      2.6 pounds of apples; 1.2 pounds of bananas.
6 0
3 years ago
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