Problema Solution
A cruise ship line just launched 3 new ships: Journey, Paradise & Sunrise. The Paradise has 20 more luxury staterooms than the Journey. The Sunrise has 28 fewer luxury staterooms than 4 times the amount on the Journey. Find the amount of luxury staterooms on each ship if the total number of luxury staterooms for the three ships is 622.
Answer provided by our tutors
Let the luxury rooms in journey X
let the luxury rooms.in paradise Y
let the luxury rooms in sunrise Z
The Paradise has 20 more luxury staterooms than the Journey y=x+20
The e Sunrise has 28 fewer luxury staterooms than 4 times the amount on the Journey z=4x-28
Total 622
X+y+z=622
X+x+20+4x-28=622
6x=630
X=105
Journey 105
Paradise 105+20=125
Sumrise 4*105-28=392