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teemu's t-shirts designs and manufactures t-shirts for a $15 flat design rate and $7.50 for each t-shirt.he wants to sell his t-shirts to the senior class for their graduation party. he is going to charge them $10 for each t-shirt.

write a function,c, representing the cost of,t,t-shirts.

write a function,I, representing the income that teemu

  • math -

    Cost(t) = 7.5t + 15

    Income(t) = 10t - 7.5t - 15
    = 2.5t - 15

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