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anastassius [24]
3 years ago
8

You have one type of nut that sells for $2.80/lb and another type of nut that sells for $5.30/lb. You would like to have 12.5 lb

s of a nut mixture that sells for $3.80/lb. How much of each nut will you need to obtain the desired mixture?
Mathematics
1 answer:
liq [111]3 years ago
8 0

Answer:

7.5\text{ lbs and }5\text{ lbs}

Step-by-step explanation:

GIVEN: You have one type of nut that sells for \$2.80\text{/lb} and another type of nut that sells for \$5.30\text{/lb}. You would like to have 12.5\text{ lbs} of a nut mixture that sells for \$3.80\text{/lb}  

TO FIND: How much of each nut will you need to obtain the desired mixture.

SOLUTION:

Rate of first type of nut =\$2.80\text{/lb}  

Rate of second type of nuts  =\$5.30\text{/lb}

Total amount of nut mixture =12.5\text{ lbs}

let the total quantity of first type of nut be =x\text{ lbs}

quantity of second type of nuts =12.5-x \text{ lbs}

Now,

rate of new nut mixture =\$3.80\text{/lb}

rate of new mixture =\frac{\text{rate of first type of nuts}\times\text{quantity of first type nuts}+\text{quantity of second type of nuts}\times\text{rate of second type of nuts}}{\text{total quantity}}putting values

            \frac{2.80\times x+5.3\times(12.5-x)}{12.5}=3.8

           2.8x+5.3\times12.5-5.3x=12.5\times3.8

           2.5x=18.75

          x=7.5\text{ lbs}

quantity of first type of nuts =7.5\text{ lbs}

quantity of second type of nuts =12.5-7.5=5\text{ lbs}

Hence 7.5\text{ lbs} of first type of nuts and 5\text{ lbs} of second type of nuts are required to obtain the desired mixture.

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