SOLUTION: lizzie bought several apples at 20 cents each, ate 2 of them and sold the rest for 30 cents each. She made a profit of 2.20. How many did she buy

Question 237065: lizzie bought several apples at 20 cents each, ate 2 of them and sold the rest for 30 cents each. She made a profit of 2.20. How many did she buy
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Bought apples at 20 cents each
Ate two of them
Made a profit of $2.20
How many did she buy?
:
Let x = no. of apples she bought
then
(x-2) = no. of apples she sold
;
Sale$ - cost = profit
.30(x-2) - .20x = 2.20
.30x - .60 - .20 = 2.20
.30x - .20x = 2.20 + .60
.10x = 2.80
x =
x = 28 apple she originally bought
:
:
Check solution
.30(26) - .20(28) =
7.80 - 5.60 = 2.20
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