SOLUTION: Todd has 48 words to spell for a puzzle. His mother says she will pay him $1.00 for every word he spells correctly but he has to pay her $0.60 for every word he spells incorrectly.

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Question 214267: Todd has 48 words to spell for a puzzle. His mother says she will pay him $1.00 for every word he spells correctly but he has to pay her $0.60 for every word he spells incorrectly. If Todd makes $19.20, how many words did he spell correctly?
Define the variable, create the equation, and solve.

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let c=number of words spelled correctly and 48-c=number of words spelled incorrectly.
c-.6(48-c)=19.2
c-28.8+.6c=19.2
1.6c=48
c=30 words spelled correctly.
.
Ed