Question

3 empty CDs and 2 pen drives costs Rs.790.2 empty CDs and 3 pen drives cost Rs.1110.What is the
cost of the pen drive?

Answer 1

Answer:

here's your answer

Explanation:

let cost of cd=x and cost of pen drive=y

(your first statement will be your first equation that is)

3x+2y=790.2-------------equ.1

you 2nd statement will be your 2nd equation that is)

2x+3Y=1110-------------equ.2

<solve these equation either by substitution , elimination or cross multiplication>

then you will get the value of x and y.............

Answer 2

Answer:

Hi! :)

Explanation:

let assume cd as x , pendrive as y;

given that:

3x + 2y =  790 ------1

2x + 3y = 1110 -------2

By solving equation 1 and 2,

5y = 1750

y = Rs.350