Answer:
18
Step-by-step explanation:
What number is 90% of 20?
18
What is 90 percent (calculated percentage %) of number 20? Answer: 18.
The answer is B
a1= 13;an-1+2
Answer:


Step-by-step explanation:
As a mixed fraction, There are 3 circles with 5 pieces in each so our denominator will be 5
The number that is shaded is 2 whole circles so that is 10 and 2 out of 5 of last one.
The whole number is 2 and the fraction for the last circle is 2/5 so our mixed number is

Now to find the improper fraction turn 2 into a fraction with 5 as a denominator.

Which equal

Then add 2/5 to 10/5

Answer: no
Step-by-step explanation: because overall there’s isn't a total of 5 books, 5 books is how many paperback books you have