I think the problem is
2X+20=400
You just have to answer I think X and X equals that two numbers I’m not 100% sure but I’m trying to help
Answer:
A. Train A
Step-by-step explanation:
Hope this helps!!
Answer:
200
Step-by-step explanation:
2000 girls :1000 boys
2000 +1000 =3000
20% of 3000 = 600
I girl : 2 boys
1+2=3
600÷3 = 200
200 boys wore glasses
First subtract 9/4 from each side
1/2b=-2/4
Simplify the 2/4
1/2b=-1/2
Divide each side by 1/2
b = -1
Answer:
h(-3)=-1
Step-by-step explanation:
Replace all x in h(x)= -3x-10 by -3:
h(-3)=-3(-3)-10
Now multiply -3 and -3:
h(-3)=9-10
Simplify 9 and -10 (aka add 9 and -10 together):
h(-3)=-1
Answer: h(-3)=-1
Hope this helps!