emmaa28 emmaa28
  • 21-09-2018
  • Mathematics
contestada

just the equation, i have difficulty with word problems & need some help

just the equation i have difficulty with word problems amp need some help class=

Respuesta :

s1m1
s1m1 s1m1
  • 21-09-2018
At rate x miles/ hour drove d miles/ 4 hours;
At rate x-10 miles / hour drove d miles/5 h

d miles = x• 4 miles first rate
d miles= (x-10)•5 miles second rate

5x-50= 4x
5x-4x= 50
X= 50 miles/h to get to the beach
50-10= 40 miles/h to get home
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