Answer:

Step-by-step explanation:
Given


Required
Determine Y'
Y' can be solved by multiplying the scale factor by Y
i.e.

For, the x coordinates.

Where




For the y coordinates:

Where




Hence:

There are 27 boys on the playground.
Step-by-step explanation:
No. of Pre-K children = 34
No. of kindergarten children = 29
Total no of children = 29+34 = 63
Ratio of boys to girls = 3:4
Total ratio = 3+4 = 7
Therefore,
boys proportion = 
Total number of boys = 

There are 27 boys on the playground.
Keywords: Proportion, division.
Learn more about proportion at:
#LearnwithBrainly
I think is inside and then outside. Not sure
Hope this helps!