The number of oranges is 46 more than that of mandarins. The number of oranges is $\frac{5}{3}$  of that of mandarins. How many oranges and mandarins are there ?

The length of rectangle is 24 m longer than its width. Also, the width is $\frac{2}{5}$ of the length. Find the area of the rectangle ?

The number of dogs is 12 greater than that of cats. If the number of dogs is treble that of cats, how many dogs and cats are there ?

The ratio of the number of roses to jasmines is 4 : 7. The number of roses is 15 less than that of jasmines. Find the number of each type of flower ?

In the parallelogram ABCD, side AB is 45 cm longer than side BC. If the side BC is increased 4 times, it will be equal to the side AB. Find the perimeter of the parallelogram.

40 pupils of class 4A and 36 pupils of class 4B planted trees. Class 4A planted 12 trees more than class 4B. If each pupil planted the same number of trees, how many trees did each class plant ?

The grandfather’s age by years is equal to Tu’s age by months. Knowing that grandfather is 66 years older than Tu. Find their ages ?

Hung worked 8 days. Viet worked 5 days. Nam worked 6 days. If Hung received 450000 dong more than Viet, find the amount of money did each people receive.

The ratio of the number of Tu’s stamps to Tan’s stamps is $\frac{7}{3}$ . If Tu gives 16 stamps to Tan, they will have the same number of stamps. Find the number of stamps of each at the beginning.

The difference of two numbers is 705. Their sum is 5 times more than the small number. Find the two numbers ?

The difference of two numbers is 303, knowing that half of the second number is double the first number.  Find the two numbers ?

The difference of two numbers is 57. If cross out number 3 in the last digit of the subtrahend, we have the minuend. Find the two numbers ?

The rectangle field has its the width is 16m shorter than the length. Knowing that its length is equal to $\frac{7}{3}$ its width. Find the width and the length of the field ?

Find the two numbers knowing that their difference is 36 and $\frac{1}{6}$ the big number is equal to $\frac{1}{2}$ the small number ?

An has 12 marbles more than Binh. If Binh has 4 marbles more, the number of Binh’s marbles is equal to $\frac{3}{5}$ of the number of An’s marbles. How many marbles does the each person have ?