6x+12y-6z+7x7y-28z= 13x+19y-34z
Answer:
45
Step-by-step explanation:
3 and 5 both go into 45 and 45 is the smallest for it
First find 60% of 145 =
60% of 45 equals 87.
Now subtract 87 from 145.
145 - 87 = 58
So there were 58 girls.
Answer:h
2x+1+3x+8./2=. 17
5x+9. = 17 x2
5x+9= 34
-9. -9
5x=25
Divide by 5
X=5
Step-by-step explanation:
Answer:
D
Step-by-step explanation: