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igomit [66]
3 years ago
9

The nutty professor sells cashews for 7.20 per pound snd brazil nuts flr 4.00 per pound. How much of each type should be used to

make a 36 pound mixture that sells for 5.69 per pound?
Mathematics
1 answer:
lutik1710 [3]3 years ago
7 0

Answer:

<u>19.01 pound</u> of cashews and <u>16.99 pounds</u> of brazil nuts should be used to make a 36 pound mixture that sells for 5.69 per pound.

Step-by-step explanation:

Given:

The nutty professor sells cashews for 7.20 per pound and brazil nuts for 4.00 per pound.

Now, to find each type should be used to make a 36 pound mixture that sells for 5.69 per pound.

Let the quantity of cashews be x.

Let the quantity of brazil nuts be y.

So, total pound of mixture of nuts:

x+y=36\\y=36-x\ \ \ .....(1)

Now, the total price of mixture per pound:

7.20(x)+4.00(y)=5.69(36)

7.2x+4y=204.84

Substituting the value of y from equation (1) we get:

7.2x+4(36-x)=204.84

7.2x+144-4x=204.84

3.2x+144=204.84

Subtracting both sides by 144 we get:

3.2x=60.84

Dividing both sides by 3.2 we get:

x=19.01.

The quantity of cashews = 19.01 pound.

Now, substituting the value of x in equation (1) we get:

y=36-x\\y=36-19.01\\y=16.99.

The quantity of brazil nuts = 16.99 pounds.

Therefore, 19.01 pound of cashews and 16.99 pounds of brazil nuts should be used to make a 36 pound mixture that sells for 5.69 per pound.

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