X=number of students
9x+12x=630
21x=630
x=30
so for high school, a, the 9 vans carried (9*30) 270 students while the 12 buses carried (12*30)=360 students. check:270+360=630
so for high school,b.
1x+6x=252
7x=252
x=<span>36
so the 1 van carries 36 students and the 6 buses carries (6*36) 216 students. check: 216+36=252</span>
Answer:
It will take turtle to reach the pond.
Step-by-step explanation:
Given:
A turtle can walk 1/12 of a kilometer in an hour.
The turtle is 1/5 of a kilometer away from a pond.
Now, to find the time it will take the turtle to reach the pond.
<u>Speed</u> of turtle =
<u>Distance</u> of turtle from the pond =
Now, to get the time it will take turtle to reach the pond we put formula:
Therefore, it will take turtle to reach the pond.
distance of a point from origin is $\sqrt{x^2+y^2}$
so distance is $\sqrt{(-15)^2+(8)^2}=\sqrt{225+64}=\sqrt{289}=17$
. . .
. . .
. . .
So you will have 6 counters.