Question

the total cost for producing 10 items is rupees 15 and that for producing 15 items is rupees 20 what is the fixed cost?

Answer 1

Answer:

10divided by 15 then 15 divided by 20

Answer 2

Answer:

Let fixed cost=x

&cost of producing 1 item=y

then,

(case-1)

x+10y=15.......(1)

&(case-2)

x+15y=20.......(2)

now subtract(2) from (1)

x+10y=15

sub.x+15y=20

- - -

=. -5y=-5

y=1

& x=5