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Answer: C=[ (10) x (19.60)÷ (8)]
Step-by-step explanation:
Given , The cost of 8 books = $ 19.60
Then, By UNITARY method , the cost of one book = ( Cost of 8 books ) ÷ ( 8)
i.e. The cost of one book = ($19.60) ÷ ( 8) ...(i)
Now , cost of 10 books = (10) x (Cost of one book)
From (i) , we get
Cost of 10 books =$[ (10) x (19.60)÷ (8)]
Let C be the cost of 10 books ( in dollars) .
So , the equation would help determine the cost of 10 :
C=[ (10) x (19.60)÷ (8)]
Answer:
gyue yg e y ee
Step-by-step explanation:
Answer:
- 65 bags of House Blend
- 30 bags of Special Blend
- 45 bags of Gourmet Blend
Step-by-step explanation:
Since we want to use all the beans, the constraints can be written as equations in h, s, and g, the numbers of bags of the House, Special, and Gourmet blends that can be made from existing stock. If units are 0.1 kg, then the equations are ...
h + s + g = 140
h +2s +3g = 260
3s +2g = 180
__
Subtracting the first equation from the second gives ...
s + 2g = 120 . . . . . . . derived fourth equation
Subtracting that from the third equation gives ...
2s = 60
s = 30
Then filling that back into the derived fourth equation, we have ...
30 + 2g = 120
g = (120 -30)/2 = 45
And substituting into the first equation gives ...
h + 30 + 45 = 140
h = 65
The merchant can use all of his beans making 65 bags of house blend, 30 bags of special blend, and 45 bags of gourmet blend.
Answer:
Step-by-step explanation:
1.) y= 1/5x - 2
2.) y = 1x + 2
3.) y = 2x + 4
4.) y = 1x + 4
5.) y = 1/3x - 4
6.) y = 1/2x - 3