Answer:
solution:
x = pounds of cashews = 20
y = pounds of peanuts = 70
Step-by-step explanation:
x = pounds of cashews
y = pounds of peanuts
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4.75x + 2.50y = 3.00*90
x + y = 90
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put the system of linear equations into standard form
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4.75x + 2.50y = 270
x + y = 90
Take some points
As here < sign present line will be dashed and shading should be done below the line
So
Graph attached
Answer:
21 dollars
Step-by-step explanation:
If all 22 tables had 6 people, there would be 132 people seated. There are 13 more than that, so 13 tables have 7 people.
The answer would be 9 Permutation 3 (or 9P3) which is equal to 504 possible ways.