Math Problem Statement
find two number of the sum of 65. twice the lesser number is 10 more than the greater number. Find the numbers
Solution
Let's solve this step by step.
We need to find two numbers, say and , where is the lesser number and is the greater number. According to the problem, we have two conditions:
-
The sum of the two numbers is 65:
-
Twice the lesser number is 10 more than the greater number:
Now, let's solve these equations simultaneously.
Step 1: Express from the first equation
From the first equation , we can express as:
Step 2: Substitute into the second equation
Substitute into the second equation :
Step 3: Simplify and solve for
Now, simplify the equation:
So, the lesser number is 25.
Step 4: Find using the value of
Substitute back into the equation :
So, the greater number is 40.
Final Answer
The two numbers are 25 and 40.
Would you like more details or have any other questions?
Here are five related questions:
- How do you solve simultaneous linear equations?
- What are the methods to solve quadratic equations?
- How do you check if a solution to a system of equations is correct?
- What are some examples of word problems involving systems of equations?
- How can linear equations be applied in real-life situations?
Tip: Always double-check your solution by substituting the numbers back into the original equations.
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Linear Equations
Simultaneous Equations
Formulas
None
Theorems
None
Suitable Grade Level
Grades 7-9
Related Recommendation
Solving Linear Equations for Two Numbers with a Sum of 65 and a Difference of 17
Find Two Numbers That Sum to 67 and Have a Difference of 13
Solving an Equation to Find the Missing Number: Sum of Two Numbers
Solve Two Numbers Given Their Sum and a Linear Condition
Solve: Numbers Whose Sum is 21 and Differ by 1