Monica,louis and berta work together at ihop. during the month of august, berta worked 10 hours more than monica.monica worked twice as many hours as louis. all together they worked a total of 90 hours. how many hours did each person work?

Monica, Louis and Berta work together
at IHOP, during the month of August.
Berta worked 10 hours more than Monica.
Monica worked twice as many hours as Louis.
All together they worked a total of 90 hours.
How many hours did each person work?
Louis worked 16 hours, Monica worked 32 hours
and Berta worked 42 hours.

So easy

956.4