Question

Cost of 5 pencils and 7 pens
is Rs. 50" Represent this
situation as a pair of
linear equation in two
variables
​

Answer 1

Answer:

5x+7y=50

Step-by-step explanation:

let the cost of a pencil be x therefore cost of 5 pencils is 5x and let the cost of a pen be y and the cost of seven pens be 7y given the total cost is 50 therefore 5x +7y = 50