Answer:
Rayshawn originally had $30.
Step-by-step explanation:
i) Rayshawn has a certain amount of money. Let us say this amount is $x.
ii) Rayshawn spends $20 which means that he is left with $(x - 20)
iii) it is also given that amount of money left after spending $20 is
of the original amount, $x, the amount remaining is
.
iv) from the information given in ii) and iii) we get
$(x - 20) =
, Therefore we get 3x - 60 = x , therefore 2x = 60,
Therefore x = $30. Rayshawn originally had $30.
It can be inferred that the siblings of the autistic children in the study do not have autism.
Answer:45,311
45,301+10=45,311
I hope this is good enough: