Question 1012419: Lucas bought a certain weight of oats for his horse at a unit price of $0.20 per pound. The total cost of the oats left him with $1. He wanted to buy the same Weight of enriched oats instead, but at $0.30 per pound, he would have been $2 short of the total amount due. How much money did Lucas have to buy oats?
Answer by macston(5194)   (Show Source):
You can put this solution on YOUR website! .
x=amount of oats
.
$0.20x+$1=$0.30X-$2
$3=$0.10x
30=x
He bought 30 pounds of oats
.
$0.20(30)+$1=amount Lucas had
$6.00+$1.00=amount
$7.00=amount
ANSWER: Lucas had $7.00 to buy oats.
.
CHECK:
At $0.30, he would be $2 short:
(Money for oats) - $0.30x=-$2
$7.00-$0.30(30)=-$2
$7.00-$9.00=-$2
-$2=-$2
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