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dem82 [27]
3 years ago
6

8. Corey combines x pounds of

Mathematics
2 answers:
Mariana [72]3 years ago
7 0

Answer:

12x+72=10.50(x+8)

Step-by-step explanation:

Cost of 1 pound of herbal tea = $12

Cost of x pounds of herbal tea = 12x

Cost of 1 pound of regular tea = $9

Cost of 8 pounds of regular tea = 9\times 8 = 72

Now we are given that  He makes a mixture that  averages $10.50 per pound.  

Total weight of mixture = 8 punds + x pounds = x+ 8

So, 12x+72=10.50(x+8)

Hence an equation to model the situation is 12x+72=10.50(x+8)

hram777 [196]3 years ago
4 0

For this case we have to:

x: Let the variable representing the pounds of herbal tea

y: Let the variable representing the pounds of the mixture

According to the data we have:

x + 8 = y

On the other hand, to find the cost of each type of tea it is necessary to multiply the cost per pound, by the amount of pounds of each type of tea, that is:

12x + 9 (8) = 10.50y\\12x + 72 = 10.50y

Thus, we have the following system of equations:

x + 8 = y\\12x + 72 = 10.50y

Substituting the first equation in the second we have:

12x + 72 = 10.50 (x + 8)

ANswer:

The situation can be modeled by the following equation:

12x + 72 = 10.50 (x + 8)

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