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The local humane society is restocking on cat food to prepare for kitten season. Very young kittens need kitten formula which costs $4.00 per bottle. Older kittens need wet cat food which costs $1.50 per can. Answer numbers 5 and 6. 15) Write an algebraic expression to describe how much the humane society will spend on kitten supplies based on the number of bottles and the number of cans they buy. 16) How much money (before tax) will the humane society spend if they buy 5 bottles of kitten formula and 12 cans of wet cat food? Show your work.

Answer :

Lets call B the nuber of bottles they will buy and C the number of cans.

Then, if each bottle cost $4, the cost of all the bottles will be 4B.

If each can cost $1.50, then, the total cost of the cans is 1.5C.

If we add this two costs, we have the expression we need:

[tex]\text{Cost}=4B+1.5C[/tex]

If they buy 5 bottles of kitten formula and 12 cans of wet cat food, we have B=5 and C=12, and the cost is:

[tex]\text{Cost}=4B+1.5C=4\cdot5+1.5\cdot12=20+18=38[/tex]

They will spend $38.

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