Answer:
56.7 mi/h
Step-by-step explanation:
The formula for average speed is:
Average Speed = 
Thus we have:
Average Speed =
mph
<em>Rounding to the nearest tenth, we have </em>
Average Speed = 56.7 mi/h
Answer:
0
Step-by-step explanation:
20% b/c
70% playground - 60% boys= 10%girls
100% total-70% playground = 30% inside
30% inside-20% boys= 10%girls
10%girls +10% girls=20%girls
Answer:
r=-2.5
Step-by-step explanation:
collect like terms
0.25r+0.5r
0.75r-0.125=0.5+r
move terms
0.75r-r=0.5+0.125
collect the like terms
-0.25r=0.625
divide both sides by -0.25 to get your answer.