Step-by-step explanation:
2x + 1 = 16
2x = 15 (subtract 1 on both sides)
x = 7.5 (divide 2 om both sides)
Since 7.5 is not an integer, (a) is No.
However 7.5 is rational, therefore (b) is Yes.
Answer:
cluster system
Step-by-step explanation: For edgunity
68 minus 19 is 49
So the answer is there are 49 more children in the school then on the playground.