Points that are given on x+y=4 are (0,4),(3,1) and (4,0) and points that are give for x-y=2 are (0,-2),(2,0) and (3,1)
The answer to your question is 29.875
The formula for this is m = 4a + 2c, where c = number of children; m = number of meatballs; a = number of adults.
m = (4 x 10) + (2 x 5)
simplify,
40 + 10 = 40
The answer to this is 40 meatballs.
You subtract the like terms, don't forget to distribute the subtraction sign, its 7x2+5x
I think it was for 2.33 cents??
