a knife is 4 times the cost of the spoon
12 spoon and 16 knives equals £105.64
work the...
Mathematics, 14.07.2020 18:01 deeyoung92
a knife is 4 times the cost of the spoon
12 spoon and 16 knives equals £105.64
work the cost of one knife
and 2x^2 +12x-7=0 (completing the square )
Answers: 1
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