iwanyamza
iwanyamza
23-01-2018
Mathematics
contestada
tony bought 12 identical
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fmkother
fmkother
23-01-2018
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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