A cup of yogurt cost $2.60 plus ten cents per topping. A cup of ice cream costs $2.00 plus twenty five cents per topping. How many toppings are needed so that the two desserts cost the same?

Question

amistre64 · Answer

when does .10x+2.60 = .25x + 2.00 ?

amistre64 · Answer

.10x+2.60 = .25x + 2.00
-.10x             -.10x
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           2.60 = .15x +2.00
         -2.00             -2.00
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             .60 = .15x  ; solve for x