A telephone company makes up its monthly bills as follows: a fixed charge of 800 naira plus a charge proportional to the number of units of call on the telephone .If it charge 2 naira per unit of call , calculate the total charges on (a) 80 units (b) 150 units (c) 782 units

Answer 1

cost = 800 + 2u , where u the number of units of call

a) so if u = 80
cost = 800 + 2(80) = 800 + 160 = 960

b) if u = 150
......

c) if u = 782
...

Answer 2

THANKS

Answer 3

It was straight forward and kinda easy and I lover it and everything. I would have just needed more explanation because I don't know what you did. Anyways Thank u very much.

Answer 4

(a)=960(b)=1100(c)=1564