math question?

Ninety-one passengers rode in a train from City A to City B. Tickets for regular coach seats cost ​$119. Tickets for sleeper cars seats cost ​$294. The receipts for the trip totaled ​$19,404. How many passengers purchased each type of​ ticket?

2017-09-14T00:30:27Z

Number of coach tickets purchased?

Number of sleeper car tickets purchased?

Please

iceman2017-09-14T01:04:01Z

let r & s be the number of regular & sleeper tickets:

r + s = 91 => multiply by -119
119 r + 294 s = 19404

-119 r - 119 s = - 10829
119 r + 294 s = 19404 => add the two equations, r's cancel, solve for s:
175 s = 8575
s = 49 => plug into one of the equations, solve for r:
r = 91 - 49 = 42
thus: 42 passengers purchased Regular coach tickets while 49 slept comfortably in sleeper cars.

I hope this helps.

?2017-09-14T00:54:43Z

119C+294(91-C) = 19,404
-175C = -7350
Coach passengers = 42
Sleeper = 49

Anonymous2017-09-14T00:32:09Z

119x+294y=19,404
x+y=91

There are your 2 equations, plug one in and solve for x and y.


y=91-x

119x+ 294(91-x)=19404
119x+26754-294x=19404
-175x+26754=19404
-175x=-7350
x=42

42+y=91
y=49

So regualr coach seats purchased 42
sleepers purchased 49

SirAsksAlot2017-09-14T00:24:15Z

35000