tay091098p34qs5 tay091098p34qs5
  • 03-04-2018
  • Mathematics
contestada

Beverly can drive 600 miles in the same time as it takes Susan to drive 500 miles. If Beverly drives 10 mph faster than Susan, then how fast does Beverly drive?

Respuesta :

zrh2sfo
zrh2sfo zrh2sfo
  • 03-04-2018
t = D/rtimes the sameBev = Susan's time600mi/r+10 = 500mi/r
 600r = 500r + 5000100r = 5000r = 50mph, Susan's speed. Beverly's is 60 mph 50+10And...checking600/60 = 500/50 = 10hr
Answer Link
myathed0ll myathed0ll
  • 03-04-2018
600/x +10 =500/x Cross multiply.
600x=5000+500x
100x=5000
X=50
50+10=60
Check work. Beverly drives 60mph
Answer Link

Otras preguntas

What does it mean when sperm can't penetrate the eggs
Trent and Chris are musicians, and they recently played a concert for 20,000 fans. The rectangular venue measured 87 yards by 57 yards. What was the approximate
Stem-and-Leaf Plots question: How many swimmers were younger then 30 Stem -- Leaf 0 1-- 1 2-- 3,9 3 --
Stem-and-Leaf Plots question: How many swimmers were younger then 30 Stem -- Leaf 0 1-- 1 2-- 3,9 3 --
How do u do this problem: W/6+5/8=-1 3/8 I got this answer: -1 53/64
How long does interphase last?
which element can become stable by losing 1 electron
Write an algebraic expression that is equivalent to the expression. cos⁡(arcsin⁡ (x-h)/r )
results of 1+2+3+....+99+100+99+...+3+2+1 is.....
Prove the identity: cos(3x) + cos(x) = 2cos(2x)cos(x) I'm almost done with my homework, just got stuck on this one.