Question

The monthly expenses in a boarding house are partly fixed and partly a multiple of the number of boarders. It
is Rs 78660 and Rs 94884 when the numbers of boarders are 62 and 75 respectively. What is the monthly
expense (in Rs) when the mumber of boarders is SO?​

Answer 1

Answer:

101124

Step-by-step explanation:

monthly expenses = fixed + varying

let fixed amount be 'f' and varying be 'x'

f + 62x = 78660

f + 75x = 94884

after solving we get f=1284 and x=1248

the monthly expense when no. of borders are 80 is

1284 + 1248(80) = 101124

Answer 2

The answer is 101124.

monthly expenses = fixed + varying  

let fixed amount be 'f' and varying be 'x'  

f + 62x = 78660  

f + 75x = 94884  

after solving we get f=1284 and x=1248  

the monthly expense when no. of borders are 80 is  

1284 + 1248(80) = 101124