Answer: the cost of one cherry pie is $18 and the cost of one pumpkin pie is $20
Step-by-step explanation:
Let x represent the cost of one cherry pie.
Let y represent the cost of one pumpkin pie.
Lea sold 2 cherry pies and 4 pumpkin pies for a total of $116. This means that
2x + 4y = 116 - - - - - - - - - - - - - -1
Kali sold 7 cherry pies and 8 pumpkins pies for a total of $286. This means that
7x + 8y = 286 - - - - - - - - - - - - 2
Multiplying equation 1 by 7 and equation 2 by 2, it becomes
14x + 28y = 812
14x + 16y = 572
Subtracting, it becomes
12y = 240
y = 240/12 = 20
Substituting y = 20 into equation 1, it becomes
2x + 4 × 20 = 116
2x + 80 = 116
2x = 116 - 80 = 36
x = 36/2 = 18
Answer:
24x+8+−10x+5
Step-by-step explanation:
Do distributive property.
4*6x=24x
4*2=8
5*2x=10x
5*-1=-5
So 24x+8+−10x+5 is your answer.
Answer:
2
Step-by-step explanation:
Are you really asking this?
The formula to find density is Mass/Volume
We have
Density =
Volume =
Hence
Mass = 7.8×10504 = 81931.2 gram
<span>The product of a constant factor of six and a factor with the sum of two terms, because 6* the sum of y+3.
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