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Evgesh-ka [11]
3 years ago
9

Supposed soda is on sale for $0.50 can and you have a coupon for $0.80 off your total purchase write a function rule for the cos

t of an cans of soda
Mathematics
2 answers:
Fed [463]3 years ago
7 0
If C is the cost and x the amount of cans.
C = 0.5x - 0.8
shepuryov [24]3 years ago
6 0

As per the problem

Soda is on sale for $0.50.

and you have a coupon for $0.80 off your total purchase.

we are supposed to write a function rule for the cost of an can of soda.

If you buy x cans of soda then the cost function can be written as

C(x)=0.5x-0.80\\ \\ \text{we can replace x by the number of cans, here we have x=1 }\\ \\ C(1)=0.50*1-0.80

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