<span>From breaking up the problems and sorting them out</span>
I cha use a 10 fact because I can round to the nearest 10 which is 20 for 15 and 10 for 8
I think transition, reflection, transition, and reflection.
See photo for solution and mark me as brainliest if you think i helped!
68 minus 19 is 49
So the answer is there are 49 more children in the school then on the playground.