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

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 is 24 ten thousands

16 increased by twice a number is -24

What is the value of 5 in 356,039,763

What is the lcm of two numbers that have no common factors greater than 1?

Can someone tell me the answer for 18-7÷0

Can someone tell me the answer for 18-7÷0

is 7 over 9 , 5 over 12, and 5 over 8 terminating or repeating decimals? and what are they in decimals? please explain..thx :)

is 8/5 rational or irrational?

Can some one help me ??? Anyone ?

What would I put for the digit valuenumber 601,099 in the ten thousand place+