2, 5, 8, 11, 14 is an arithmetic sequence
Dividing Fractions. Turn the second fraction upside down, then multiply. 7/9 ÷ 1/3 = 7/9 * 3/1 = 21/9 = 7/3
5x630=3150. 3150-2910=240. 240/3=80. There were 80 kids.
If this helps: 10 x .5 would be the same as 50% of 10. Also: 40 x .12 would be the same as 12% of 40.