The coffee costs per pound which cost more between Carry's and Ken's is Ken's coffee at $11.25 per pound
Given:
Carry:
Cost of coffee = $37.10
Number of pounds = 3 1/2 pounds
Unit cost per pound = Cost of coffee / Number of pounds
= 37.10 / 3½
= 37.10 ÷ 7/2
= 37.10 ÷ 3.5
= $10.6 per pound
Ken:
Cost of coffee = $60
Number of pounds = 5 1/3 pounds
Unit cost per pound = Cost of coffee / Number of pounds
= 60 ÷ 5 1/3
= 60 ÷ 16/3
= 60 × 3/16
= (60×3)/16
= 180/16
= $11.25 per pound
Therefore, the difference per pound in the cost is
Ken - Carry
= $11.25 : $10.6
= $0.65
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