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Svetllana [295]
3 years ago
8

Can you help me with this problem

Mathematics
2 answers:
Deffense [45]3 years ago
8 0
System:
 \left \{ {{x+y=11} \atop {x+1.75y=14}} \right.

x+y=11

x=11-y then 11-y+1.75y=14
0.75y=14-11=3
y=4 - orange juice
x=11-4=7 - apple juice

if you wanna use a graphic method you should draw the lines of each equation. The intersection of these lines is solution

Ksenya-84 [330]3 years ago
4 0
4 apple juice and 4 Orange juice because 1.75 x 4=7 and 4 x 1 = 4. So 7+4=11 so you bought 4 bottles of orange juice and 4 bottles of Apple juice
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