Q4) For a telephone subscription a monthly rental of Rs 500 is charged and 200 free calls were given. For additional calls Rs 1.25 per call is charged for first 200 calls Rs 1 per call is charged for next 200 calls and Rs 75 per call is charged for next all calls. Mahesh has two such connections. The total bill amount percall for an connection is Rs 170 for other it is Rs 125 per
If he had only one connection and made a mention calls from that then how much would he have saved.
(A) Rs 500 (8) Rs 1625
(C) Rs 300 (D) Rs 475
Answers
Answer:
0.8,200
Step-by-step explanation:
bakugo15
bakugo15
01.06.2019
Math
Secondary School
answered
The telephone bill in a city comprises of a fixed monthly rent with the charges for number of calls made of which 50 calls are free. A family made 250 calls in the month of july and had to pay Rs 360 as the bill, while in the month of August 150 calls were made and the bill was for Rs 280. Find the monthly rent and charge per call.
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Answer:
0.8,200
Step-by-step explanation:
let x is per call charge and y is monthly rent
for month july
call charge=(250-50)*x (50 free calls)
=200x
total cost=200x+y
as given,, 200x+y=360
for month august
call charge=(150-50)*x
=100x
total charge=100x+y
as given, 100x+y=280
subtracting two eqns we get,
100x=80
x=0.8
putting in eqn1
200*0.8+y=360
y=200