Answer:
Step-by-step explanation:
hello :
r+b=7... (*)
3.75r+2.75b=22.25.... (**)
use (*) : r = 7 - b
put this value in (**) :
3.75(7 - b)+2.75b = 22.25
26.25 -375b +2.75b = 22.5
-375b +2.75b = 22.5 - 26.25
- b = -3.75
so : b = 3.75
but : r = 7 - b
r = 7 - 3.75
r = 3.25
Answer:
6 x y
Step-by-step explanation:
Expanded
Or add y 6 times
y + y + y + y + y + y
The correct answer is D. 13 + 8i
Answer:
12 presents
Step-by-step explanation:
4/6= 2/3
2/3 x 18 = 12
-29= x + (x + 1)
-29= 2x +1
-30= 2x
-15=x
The answer is -15, -14.
