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3 years ago

Tony bought 12 identical

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

7 0

Lets say a fork costs x $. Therefore a spoon costs 2x $.

2x + x = 6. => 3x = 6. => x=2

so:
a) A spoon costs: 2x = 2 × 2 = $4
b) (12 × 4) + (10 × 2) = $68

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