It takes 5 men 20 days to paint Tom’s fence. How long should it take 4 men to paint the fence working at the same rate?

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries. what fraction of kathy’s money was left?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.