Jackie solved the problem below. Her work and answer is in bold 30% of the track team will complete in the spring meet are there on the track team? Round your answer to the nearest whole number.

10 will be the number of adult tickets and 11 will be the number of children tickets. i hope i could ! good luck : )

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

The answer is 109 times per second