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sarah blends coffee for tasti-delight. she needs to prepare 170 lbs of blended coffee beans selling for $3.59 per pound. she plans to do this by blending together a high-quality bean costing $4.75 per pound and a cheaper bean at $2.00 per pound. to the nearest pound, find how much high-quality coffee bean and how much cheaper coffee bean she should blend.

she should blend lbs of high-quality beans.

she should blend lbs of cheaper beans.

She should blend 98 lbs of high-quality beans.

She should blend 72 lbs of cheaper beans

Step-by-step explanation:

Let x represent the number of pounds of high quality beans that she should blend.

Let y represent the number of pounds of cheaper beans that she should blend.

She needs to prepare 170 lbs of blended coffee beans. This means that

x + y = 170

She plans to do this by blending together a high-quality bean costing $4.75 per pound and a cheaper bean at $2.00 per pound. The blend would sell for $3.59 per pound. This means that the total cost of the blend would be 3.59×170 = $610.3. This means that

4.75x + 2y = 610.3 - - - - - - - - - -1

Substituting x = 170 - y into equation 1, it becomes

4.75(170 - y) + 2y = 610.3

807.5 - 4.75y + 2y = 610.3

- 4.75y + 2y = 610.3 - 807.5

- 2.75y = - 197.2

y = - 197.2/-2.75 = 71.9

y = 72 pounds

x = 170 - y = 170 - 71.9

x = 98.1

x = 98 pounds

a: 1/6, j: 1/4

step-by-step explanation: you are welcome

x + 4/7

step-by-step explanation:

use cymath