Step-by-step explanation:
green = 3/20
black = 4/20 = 1/5
62.5%
5/8 = 0.625 then multiply by 100% to get in terms of percent of 62.5%
4x+2x=180
6x= 180
Divide by 6
X= 30
C. 6 pens for $6.42
Divide to find the number for one pen. then multiply
Answer:
b = 5/2x + 7
Step-by-step explanation:
b + (-5/2x) = 7
b - 5/2x = 7
b = 5/2x + 7
