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Vsevolod [243]
3 years ago
7

you are making curtains by alternating strips of solid colored fabric and patterned fabric. the solid colored fabric costs 99¢ p

er strip and the patterned fabric costs $1.25 per strip. you need 7 strips for one curtain. Write an equation that gives the total cost c as a function of the number n of solid colored strips used. then find the total cost if you use 3 solid colored strips.
Mathematics
1 answer:
weeeeeb [17]3 years ago
4 0
Hello, 

to find the total cost (c) of the colored strips we have to multiply the number of strips (n) by the cost of each color strip (99¢), that as an algebraic function is:

\boxed{c= n*99} [¢]

Now, if we use 3 solid color strips, that means that we use 4 patterned strips, so:

Cost=3*0.99+4*1.25 \\ \boxed{Cost= 7.97}

Answer: c=n*99   and   Cost per curtain= $7.97
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