First, find the total number of ounces:
(28)(16) = 448 oz (16oz in a lb)
Then divide 448 by 8
448/8 = 56 days of food
Let x= second number
x-1= first number
2x= 4(x-1) + 26
2x= 4x -4 + 26
2x -4x= 22
-2x= 22
(-1)(-2x)=22(-1)
2x= -22
x=-11 (second number)
-11-1= -12 (first number)
Answer:
The smallest amout that the school should charge is $4.70.
Step-by-step explanation:
p = -200t2 + 3600t - 6400
p = -200 x 4.7 x 2 + 3600 x 4.7 - 6400
p = -1880 + 16920 - 6400
p = 15120 - 6400
p = 8720
Answer:
12.2%
Step-by-step explanation:
82 · 
= 72 <em>When multiplied by a certain percent we get 72</em>
82(100-x) = 7200
<em>100(A whole as you may say) - *a percent* = the markdown</em>
8200-82x=7200
82x = 1000
x ≈ 12.2
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Step-by-step explanation:
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