SOLUTION: How do I set this up? Trying to help my son in 6th grade. Write an expression for the number of kilometers a dolphin travels in d hours of swimming at 8km/h? goes on to ask in p
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Question 334347: How do I set this up? Trying to help my son in 6th grade. Write an expression for the number of kilometers a dolphin travels in d hours of swimming at 8km/h? goes on to ask in part two the number of kilometers the dolphin travles in three hours. I need help just getting it set up. Found 2 solutions by nerdybill, josmiceli:Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! Write an expression for the number of kilometers a dolphin travels in d hours of swimming at 8km/h?
.
The expression is simply "speed" times "time" or
8d
.
goes on to ask in part two the number of kilometers the dolphin travels in three hours.
In three hours;
d = 3
substitute into:
8d
to get
8(3) = 24 km
You can put this solution on YOUR website! This is a distance = rate x time problem
given:
rate = km/hr
time = hrs
-------------------
first part:
distance =
the 2nd part says the time is hrs
distance =
distance = km
