SOLUTION: Rice costs $X per kilogram Potatoes costs $(x+1) per kilogram The total costs of 12kg of rice and 7kg of potatoes is $31.70 Find the cost of 1kg of rice.

SOLUTION: Rice costs $X per kilogram Potatoes costs $(x+1) per kilogram The total costs of 12kg of rice and 7kg of potatoes is $31.70 Find the cost of 1kg of rice.

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Question 1011332: Rice costs $X per kilogram
Potatoes costs $(x+1) per kilogram
The total costs of 12kg of rice and 7kg of potatoes is $31.70
Find the cost of 1kg of rice.
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
12kg($x/kg)+7kg($(x+1)/kg=$31.70
$12x+$7x+$7=$31.70
$19x=$24.70
x=$1.30
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ANSWER: Rice cost $1.30/kg

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