4b+24=7b-8
32=3b
b=32/3
hope this helps!
Answer:
look at the pictures
Step-by-step explanation:
HOPE THIS helps
Let x be number of black markers
4.5x + 2x3.25x + 3x1.98x = 284.24
16.94x = 284.24
x = 16.78 = 17
The person bought 17 black pens, 34 red and 51 green
Answer:
775
Step-by-step explanation:
Hello :3
750 + 25 = 775.
A = a+b/2 x h
Add sides a and b then divide by 2
After that multiply by the h