21 is nearly 25% of 80, so my estimate is 25%
We need a picture to answer this...
Answer:
2x - 2y
Step-by-step explanation:
P = 7x + 2y
P =a + b + c
7x + 2y = 2x + y +3x - 5y + c
7x + 2y - 5x - 4y
= 2x - 2y
3x-7y=2 ; 3x=2+7y x=2x+7y/3
Answer:
Step-by-step explanation:
100 +30+2+.60 or .6
