Find the value of x such that:

X  + $\frac{1}{4}$ = $\frac{5}{8}$

( Write the answer as a/b )

Toan had 48 stamps. He gave $\frac{5}{12}$ of them to Tuan. How many stamps did he give to Tuan ?

Lam had a board 5 m long. He used $\frac{3}{4}$ of its length as a bookshelf. How long was the bookshelf ?

( Write the answer as a/b )

Lan practices violon for $\frac{4}{5}$ hour a day. How many hours does she practice violon in a week ?

( Write as the simplest and a/b form )

There are 144 trees in a garden. $\frac{5}{8}$ of them are peach trees. How many peach trees are there ?

( Write the answer as a/b )

In my class, $\frac{2}{5}$ of the pupils wear spectacles. If 16 pupils wear spectacles, how many pupils are there altogether ?

( Write as the simplest and a/b form )

The perimeter of a square is $\frac{5}{3}$ m. Find the side of the square ?

( Write the answer as a/b )

There are 96 children in a library. $\frac{5}{8}$ of them are girls. How many boys are there ?

( Write the answer as a/b )

Dong had 400 000 dong. He spent $\frac{1}{5}$ the money on a storybook and $\frac{3}{10}$  on a calculator. How many money did he spend altogether ?

( Write the answer as a/b )

Mrs Cuc had some eggs. He sold $\frac{3}{8}$ of them in the morning and $\frac{1}{4}$ in the afternoon. Knowing that she sold 300 eggs altogether, how many eggs did she have at first ?

( Write the answer as a/b )

Hung gave $\frac{2}{5}$ of his money to his wife and spent $\frac{1}{2}$ of the remainder. If he had 800 000 dong at beginning, how much money did she spend ?

( Write the answer as a/b )

A carpenter took $\frac{3}{2}$ hours to make a wooden box. He took $\frac{2}{3}$ hour to make a tray. How long did he take to make 3 wooden boxes and 2 trays ? (minutes)

My class has 40 pupils. $\frac{4}{5}$ of them can swim and $\frac{3}{4}$ of them can play badminton. Knowing that every pupil can either swim or play badminton, how many pupils can both swim and play badminton ?

( Write the answer as a/b )

Mr Trung gave $\frac{1}{3}$ of a sum money to his wife. Then he divided the remainder equally among his 3 children. If each children received 600 000 dong, find the sum of money at beginning ?

( Write the answer as a/b )

Mrs Tam made 120 sandwiches for a children’s party. The boys ate $\frac{2}{5}$ of the number of sandwiches and the girls ate $\frac{1}{3}$ of that. How many sandwiches were left ?

( Write the answer as a/b )