"At a certain fast food restaurant, Brian can buy 3 burgers, 7 shakes and one order of frie
Channel: Doubtnut
Date: 05/04/2020

"At a
 certain fast food restaurant, Brian can buy 3 burgers, 7 shakes and one order
 of fries for Rs 120 exactly. At the same place, it would cost Rs 164.50 for 4
 burgers, 10 shakes and one order of fries. How much would it cost for an
 ordinary meal of one burger, one shake and one fries?
(a) Rs
 21 (b) Rs 31 (c) Rs 41 (d) Cannot be determined"