To get the answer we have to substitute b=3 and solve it.
5a-10b=45
5a-10*3=45
5a-30=45 /+30 add 30 both sides
5a-30+30=45+30
5a=75 /:5 divide both sides by 5
5a:5=75:5
a=15 - its the answer
Answer:
15 girls
Step-by-step explanation:
5 + 3 = 8
24 ÷ 8 = 3
3 · 5 = 15
Check:
3 · 5 = 15
3 · 3 = 9
9 + 15 = 24
I hope this helps!!
Answer:
thfxhdnyk
Step-by-step explanation:
Answer:
Hey!!!!!
It looks like you meant to attach a picture, forgot, or your internet connection went out. Because of whatever the cause, we cannot answer your question!
Could you try reposting it?
Thx!
Sahkfam
Answer: 9 inches.
Step-by-step explanation:
Use a proportion for this problem
2/3=6/x
Cross multiply
2x=18
Simplify
x=9
