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An algebra problem by Simran Kajal

Algebra Level 1

Jack usually mows his lawn in 6 hours. Marilyn can mow the same yard in 5 hours. How much time would it take for them to mow the lawn together?

5.66 hours 2 hours 2.73 hours 3.65 hours

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Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 8 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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by Simran Kajal

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