To get to zoo from the school the kids have to ride some buses if there are 7 buses and each bus have three adult supervisors to god the children how many supervisor are there in total

There are 21 supervisors in total

Solution:

Given that, To get to zoo from the school the kids have to ride some buses

There are 7 buses and each bus have three adult supervisors to guard the children

To find: Number of supervisors in total

From given,

Total number of buses = 7

Number of supervisor in 1 bus = 3

Therefore, total number of supervisors can be found by multiplying total number of buses with number of supervisors in 1 bus

Substituting the values we get,

Thus there are 21 supervisors in total

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.