Answer:
Step-by-step explanation:
d = r * t Divide both sides by t
r = d / t
d = distance = 2.25 km
t = time = 3 3/4 minutes = 3.75 minutes
r = 2.25 / 3.75
r = 0.6 km / minute
r = 3/5 km / minute
If the units are different than those given, please state them underneath my answer. I'll get to it as soon as I see your comment.
.6 * 25 = 15
.06 * 25 = 1.5


USE CALCULATOR -_-

<em><u>STAN </u></em><em><u>TREASURE</u></em>
Answer:
Step-by-step explanation:
Do substitution by first writing an equation 15c + 29a=175 when you get your answer either substitute it in your other equation which would be 21c+27a=177, if you found c(Children) in your first equation substitute it in 21 by multipying if you found a do the same thing.