14) Amanda and James are selling pies for a school fundraiser. Customers can buy blueberry pies
2 answers:
Step-by-step explanation:
Let,
Cost of blueberry pie = x
Cost of lemon meringue = y
13x + 12y = 285 (1)
3x + 12y = 195 (2)
=> 13x + 12y - (3x + 12y) = 285 - 195
=> 13x + 12y - 3x - 12y = 90
=> 10x = 90
=> x = 90/10
=> x = $ 9
From 2
3(9) + 12y = 195
=> 27 + 12y = 195
=> 12y = 195 - 27
=> 12y = 168
=> y = 168/12
=> y = $ 14
Answer:
- Blueberry pie costs $9, lemon meringue cost $14
Step-by-step explanation:
<u>Set equations:</u>
- 13x + 12y = 285
- 3x + 12y = 195
<u>Solve by elimination. Subtract the second equation from the first:</u>
- 13x + 12y - 3x - 12y = 285 - 195
- 10x = 90
- x = 9
<u>Find the value of y:</u>
- 3*9 + 12y = 195
- 12y = 195 - 27
- 12y = 168
- y = 168/12
- y = 14
You might be interested in
Answer:
True
Have a good day
Julie is correct because LxWxH only applies to 2 dimensional shapes so therefore you need to use x to the power of 3 formula
1,400 inches or 116.7 feet
10(x2) = 70(x)
10x2 - 70x
10x = 70
<span>
x = 7 </span>
Answer:
4
Step-by-step explanation:
7 * 2 = 14
14 / 3.5= 4
Formula of a triangle: 
