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• 60 candy bars and 110 drinks will sell for $265
• 120 candy bars and 90 drinks will sell for $270
How much does each candy bar sell for?

Sagot :

C=Candy Bar(s)

D=Drink(s)

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60C+110D=265

120C+90D=270

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Therefore:

60C=265-110D

Therefore:

2(60C)+90D=270

2(265-110D)+90D=270

530-220D+90D=270

530-270=220D-90D

260=130D

D=260/130

D=2

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If D=2,

60C=265-110(2)

60C=265-220

60C=45

C=45/60

C=3/4

C=0.75

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*Candy bars sell for $0.75 whilst drinks sell for $2.00.
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