<span>The number 80 is <span>25%</span> of <span>320</span></span>
Ok, if you say so. Jean took 1/2 hour to complete 3/8 of a math problem.
ANSWER

EXPLANATION
To find the number of balloons that are purple, we have to find six-sevenths of 35.
That is:

That is the number of balloons that are purple.
11:00 P.M.
Bus A would do the route 13 times
Bus B would do the route 12 times