In a shop, the total cost of two items is (126), and the first item is (18) costlier than the second. What is the graphical solution?
Answer and explanation
Correct answer: ((72,54))
The equations are (x+y=126) and (x-y=18). Solving gives (x=72), (y=54), which is the graph intersection.
Frequently asked questions
What is the correct answer to this question?
((72,54))
Why is this the correct answer?
The equations are (x+y=126) and (x-y=18). Solving gives (x=72), (y=54), which is the graph intersection.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Pair of Linear Equations in Two Variables. Topic: Graphical method of finding solutions..
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