Chocolates And Lollipops

The cost of lollipop is 25 cents.

You can do it in your head or you can use equations:

let C  be the cost of one chocolate, and L the cost of one lollipop, then we have:

2C + 3L = 3.25

and

C = 1.00 + L

We can substitute for C and we have:

2(1.00 + L) + 3L = 3.25

2.00 + 2L + 3L = 3.25

5L = 1.25

Thus L = 0.25

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