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Diano4ka-milaya [45]
3 years ago
12

The cost for children under twelve at a certain buffet restaurant is a base charge of a dollar plus twenty-five cents for each y

ear of the child's age. Represent this cost as an expression, using y to stand for the child's age in years. Then use the expression to find the cost for a child who is nine.
1 + 0.25y; $2.25
1 + 0.25y; $3.25
0.25 + y; $9.25
0.25 + y; $8.75? Please help!!
Mathematics
2 answers:
Brilliant_brown [7]3 years ago
4 0

the answer will be

A. 1 + 0.25y; $2.25

NeTakaya3 years ago
3 0

Answer: 1 + 0.25y; $3.25

Step-by-step explanation:

Hi, to answer this question we have to write an equation with the information given:

<em>"The cost for children under twelve at a certain buffet restaurant is a base charge of a dollar (1) plus twenty-five cents for each year of the child's age.(0.25 y) "</em>

So, to obtain the cost we have to multiply 0.25 by the child's age (y) and add 1 dollar.

Mathematically speaking:

Cost(y) = 1 + 0.25y  

If the child is nine years old, we simply have to replace the variable y for the number 9.

C = 1+0.25(9)=1+2.25=3.25

Feel free to ask for more if needed or if you did not understand something.

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