Lesson Worksheet: Applications on Systems of Two Linear Equations Mathematics
In this worksheet, we will practice translating a real-life problem into a system of two linear equations and finding its solution.
Q1:
Find two numbers with a sum of 42 and a difference of 4.
- A23, 19
- B14, 28
- C26, 19
- D23, 4
- E46, 19
Q2:
A man’s age was four times his daughter’s age, 4 years ago. In 5 years, his age will be three times his daughter’s. Find their ages now.
- A8 years, 72 years
- B22 years, 72 years
- C8 years, 76 years
- D22 years, 76 years
Q3:
A family are playing on a seesaw at the park. The seesaw is balanced when the father and daughter sit at one end and two brothers sit at the other. The father’s weight is 7 times his daughter’s and the sons have a combined weight of 96 kg. How much does the daughter weigh?
Q4:
The length of a rectangle is 6 cm more than its width. If its perimeter is 52 cm, what are its dimensions?
- A20 cm, 10 cm
- B32 cm, 13 cm
- C16 cm, 10 cm
- D16 cm, 22 cm
Q5:
Find two numbers with a sum of 42 where one number is one-fifth of the other.
- A8, 42
- B7, 35
- C21, 105
- D14, 70
- E10, 52
Q6:
The sum of two numbers is 56. Given that one of the numbers is one seventh of the other, what are the two numbers?
- A7, 42
- B8, 56
- C17, 39
- D8, 42
- E7, 49
Q7:
Some girls and boys attend a club. Six times the number of girls at the club is 33 more than the number of boys, and 3 times the number of girls is 33 less than six times the number of boys. How many girls and how many boys attend the club?
- Anumber of girls , number of boys
- Bnumber of girls , number of boys
- Cnumber of girls , number of boys
- Dnumber of girls , number of boys
Q8:
In a school competition, students score points for completing long and short puzzles. No points are awarded for incomplete puzzles. Osama scored 85 points for completing 4 long and 5 short puzzles, and Abdullah scored 85 points for completing 3 long and 8 short puzzles. How many points did Hassan score for completing 5 long and 5 short puzzles?
Q9:
When the digits of a two digit number are reversed, the result is 27 more than the original number. If the sum of the digits is 9, what was the original two digit number?
Q10:
The difference between the measures of the acute angles in a right triangle is . Find the measure of each acute angle.
- A,
- B,
- C,
- D,
- E,