Posted by Anonymous on Thursday, September 16, 2010 at 5:38pm.
Hey can anybody please help me with this? Im stuck? I got the first part right, but I don't really know. Ok here's the problem:
Annie kept track of the cars she saw on the highway? She saw twice as many Toyotas as Skyalks. The number of Pintos was eight less than the number of Toyotas. There were four times as many grand arms as Pintos. Maria counted 24 Grand Arms. How many cars did she see on the highway?

Math  Henry, Thursday, September 16, 2010 at 6:20pm
X Skyalks
2X Toyotas
(2X  8) Pintos
4(2X  8) Grand Ams = 24
4(2X  8) = 24
8X 32 = 24
8X = 24 + 32 = 56
X = 7 Skyalks
2X = 2 * 7 = 14 Toyotas
2X  8 = 2 * 7  8 = 6 Pintos
Total = 7 + 14 + 6 + 24 = 49 cars.

Math  rachel, Thursday, September 16, 2010 at 6:24pm
number of cars
skywalks = x
toyotas = 2x
pintos = 2x8
grand arms = 4(2x8) = 24
solve for the x using the grand arms equation above...
substitute x to the equations to get the number of cars per type of car..
add all the cars from each type..
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