Daniel had 400 stamps in his stamps collection. 3/10 of them were foreign stamps. Edmund had 600 stamps and 13/20 of them were foreign stamps. After exchanging some stamps with each other, 1/4 of Danny's stamps and 3/4 of Edmund's stamps were foreign stamps. How many stamps did Danny get from Edmund?
At first Mr. Menon had 380 more books than magazine in his bookshop. He then sold 1/4 of the books and 3/5 of the magazines, The number of books left was 600 more than the number of magazines left. What was the total number of books and magazines Mr. Menon had at first?
Shawn spent $420 of his salary on a bicycle and gave some money to his parents. He then spent 3/7 of the remaining salary on food and saved the rest. The amount he saved was 1/3 of his salary. The amount he gave his parents was 1/4 of his salary.
(a) What fraction of Shawn's salary was spent on food ?
(b) How much was Shawn's salary ?
Every child was given 2 bags of cookies. Each bag contained either 10 chocolate cookies or 15 butter cookies. There were 88 children and they received 2345 cookies altogether. How many butter cookies did the children receive?
