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Pie
1 year ago
11

Help me please with this assignment

Mathematics
1 answer:
Viefleur [7K]1 year ago
6 0

Given:

Let the cost of chocolate bar be 'x'.

\text{Cost of Peanut butter bar=x+0.07}\begin{gathered} 5(x+0.07)+6(x)=6.40 \\ 5x+0.35+6x=\text{6}.40 \\ 11x=6.40-0.35 \\ x=\frac{6.05}{11} \\ x=0.55 \end{gathered}

Cost of chocolate bar is $0.55

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