Cookies=x
brownies=y
.5x+.75y=100
.5x=100-.75y
x=200-1.5y
400-3y+.75y=100
-2.25y=-300
y=133.333
x=0
Irrational as 0.75 x 0.75 x 3.14......
Answer:
The sum of a number and its additive inverse is equal to 0.
Step-by-step explanation:
9514 1404 393
Answer:
- 2x
- 2
- 128x +640
Step-by-step explanation:
1.

__
2.

__
3.

X+y=155. Y= -x+155
1.50x +4(-x+155)= 520
1.50x-4x+620=520
-2.5x =-100
X= 40. Y=110