Answer:
there were 200 children and 500 adults at the show
Step-by-step explanation:
7x+10y=6400
x+y=700
x=700-y
7(700-y)+10y=6400
4900-7y+10y=6400
-7y+10y=1500
3y=1500
y=500
x=700-y
x=700-500
x=200
Circumference=2πr
=2*3.14*105
=659.4cm
1. -2
2. 4
Is the answers to the following questions
If I’m not mistaken, the answer should be C.
Let me know if I was correct.
It's B.) The student’s answer is not reasonable. Estimation: 170 + 90 = 260