Question

The cost of 4 cell phones and 7 digital cameras is Rs125627. What is the cost of 8 cell phones and 14 digital cameras?

Answer 1

4cell phone +7digital cameras =125627
so, 8 cell phone + 14 digital camera = 2×125627
=251254

Answer 2

Let cost of a cell be x
Let cost of a camera be y
Acc. to statement
4x + 7y = 125627 (i)
W have to fin cost of 8 cell phones and 14 digital cameras
So ,We have to multiple eq i) by 2 to get our answer
(4x + 7y = 125627) × 2
8x + 14y = 251254 Rs