View Full Version : Substitution, Elimination- Problem solving
matt1595
Oct 24, 2010, 11:21 AM
A Porsche travelled 1.6 times as fast as the BMW. The difference of speed was 45 km/h. Determine the speed of each car.
matt1595
Oct 24, 2010, 11:23 AM
A porsche travelled 1.6 times as fast as the BMW. The difference of speed was 45 km/h. Determine the speed of each car.
galactus
Oct 24, 2010, 11:43 AM
p=1.6b
p-b=45
matt1595
Oct 24, 2010, 12:14 PM
What was the final speeds? The equation you used to get them?
Unknown008
Oct 24, 2010, 12:38 PM
In the post of galactus,
p is the speed of the Porshe and b the speed of the BMW.
Solve using simultaneous equations to get the value of p and b, the speeds that you are looking for.