Name of Car Time in seconds Silver Streak 6.002
Blue Lightning 6.023
Blink 6.302
Fast and Furious 6.020
11. Which car had the fastest time?
12. Did any cars tie?
13. Which car had the slowest time?
14. Why do you think they have to time these cars to 3 decimal places?

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4

x-150=475   x=625

step-by-step explanation:

if the bike after the sale ($150) is $475 then just simply add 150 to 475.

answer: 1 box of pens at the store ? ? pens in the box