3 is the 10 billions place
All you would have to do is round to the nearest 10th number (ex. From 26 to 30) for all the clubs including both boys and girls. Then you add them all together. Rounding makes estimating easier.
5(2x-8)+15=-15 -15 in both sides
5(2x-8)=-30 /5
2x-8=-6 +8
2x=2 /2
x=1
I hope it helps
Answer:
1. 21
2. -22
3. -19
4. -17
5. -5
6. 11
7. 7
8. -9
9. -6
10. -20
11. -1
12. 20
13. -21
Step-by-step explanation:
