Two cell phone companies offer different packages. Company A charges a fixed monthly fees of 
Rs 34 plus Rs 0.5/ minute talk time. Company B charges a fixed monthly fees of Rs 40 plus Rs 
0.4 / minute talk time.
Take x as the charges per minute for the talk time and y as the total amount.
Based on above information answer the following question:
(i)
Linear equations representing the packages of a company A and B are :
(a) y=34 + 0.5 x, y= 40 +0.4 x
(b)
y=34 + 0.4 x, y= 40 +0.5 x
(c ) x=34 + 0.5 x, y= 40 +0.4 y
(d)
x=34 + 0.4y, y= 40 +0.5y
(ii)
If the average number of minutes used monthly by Sunil is 1160, then which of the 
following is true?
(a) Company A offers the better package
(b)Company B offers the better 
package
(c ) Both companies offer the same package
(d) None of the above
(iii) If Sunita pays a total bill of Rs 208 to company B then the number of minutes used 
by her :
(a) 400
 (b) 420 (c) 410 (d)390
(iv) The shape of the graph represented by the equations in part (i) is :
(a) Rectangle
(b) Circle
(c) Parabola
(d) Pair of lines
(v)
The number of minutes of talk time that results in equal monthly bills from both the 
companies is :
(a) 50
 (b) 60
 (c) 55
 (d)65

 

Asked by snehameenu656 | 31st May, 2022, 11:12: PM

Expert Answer:

Linear equations representing the packages of a company A and B are:
y = 34 + 0.5x and y = 40 + 0.4x respectively

Answered by Renu Varma | 2nd Jun, 2022, 10:39: PM