BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1, Problem 81RE
To determine

To calculate: The quantity of raisins and nuts he should use.

Expert Solution

Answer to Problem 81RE

The quantity of raisins = 20lb

The quantity of nuts= 30lb

Explanation of Solution

Given information:

The rate at which he sells the raisins= $3.20

The rate at which he sells the nuts= $2.40

Calculation:

Let the quantity of raisins = p

Now, since the total quantity of the mixture = 50lb

Then the quantity of nuts= 50p

  3.20p+2.40(50p)=50×2.72

  3.2p+12+2.4p=136(3.2p+2.4p)+(12)=10.8p+12=1360.8p+12=1360.8p+1212=136120.8p=124p=155

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