If it costs £55 to buy 11 cushions, how much will it cost to buy 19?
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it will cost...
£95
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Step-by-step explanation:
Let the cost of one cushion be x.
The cost of 11 cushions is 55.
Therefore, 11 × x = 55
x = 55÷11
x = 5
Hence the value of one cushion is 5.
The cost of 19 cushions will be 19x.
19 × x = 19 × 5 = 95.
The value of 19 cushions is 95.
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