Catharina’s father harvests one hundred fifteen ears of maize every hour. How many ears does he harvest in a third of an hour?

You could get help much faster if you posted the SUBJECT instead of a generic I need help. If you posted math instead of I beg for help a mathematician will know you need help. I'm far from a math guy but I can answer this.

115 ears/hr x (1/3) hr = ??