Soph88 Soph88
  • 14-10-2014
  • Mathematics
contestada

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the distance in 1.5 h. Car B traveled 15 mph faster than Car A.

How fast did Car B travel?

Respuesta :

crisforp
crisforp crisforp
  • 14-10-2014
2 * ( x - 15 ) = 1.5 * x
2x - 30 = 1.5x
2x -1.5x = 30
0.5x = 30
x = 30/0.5
x = 60mph.
Answer Link

Otras preguntas

A scientist studies the DNA of three different species. The DNA from species A is more similar to DNA from species B than DNA from species C. Which species are
Muhammad Ali tried to westernize Egypt by
A geologist creates a model of a mountain range in order to study erosion patterns. The elevation of the tallest mountain in the actual mountain range is 10,000
why might the greeks have wanted to list a single author for the fables?
A machine packs boxes at a constant rate of 2/3 of a box every 1/2 mintue. What is the number of boxes per minutes that the machine packs?
What you think about pakistan?
how do I solve the proportion x+1/3 = x+5/x
How did the Salem Witch Trials affect American Literature?
Trace the path of an egg cell by filling in the blanks. After the egg breaks through the ovarian wall, it travels into the _____, which overlies each ovary.
how to start a sentence