Tag: Calin

I love maths because for me it is really easy, hard and challenging. It is cool because there are so many topics like algebra and many more. I’ve always loved

I love maths because for me it is really easy, hard and challenging. It is cool because there are so many topics like algebra and many more. I’ve always loved

A contractor agrees to complete a house in 250 days, and to do this he engages 60 men. After 200 days no work is done for 10 days. How many