Math, asked by shaikhsameena77, 2 months ago

cost of 2 pens and 5 pencil is rupees 25 and cost of 2 pens and 3 pencils is rupees 19 considering the cost of 1 pen is rupees X and that of 1 pencil is rupees Y write the mathematical equation of these statements​

Answers

Answered by poojarimanish77
0

According to first condition

2x+5y=25. (1)

According to second condition

2x+3y=19. (2)

Substitute 1 by 2

2x+5y-2x-3y=25-19

2y=6

y=3

Putting value y = 3 in equation 1

2x+5×3=25

2x+15=25

2x=10

x=5

Answer:- Value of 1 pen and 1 pencil if 5 & 3 respectively.

Similar questions