Sofia had 20 comic book and gave some of them to Heather.She uses a calculator to figure out that she gave away 0.15 of her comic book.How many comic book did she give to Heather!

20*.15=3

Since 0.15 is 3/20. Therefore it means that she gave Heather 3 books!

To find out how many comic books Sofia gave to Heather, we need to calculate 0.15 of Sofia's total comic books.

Step 1: Multiply 0.15 by 20 (Sofia's total comic books)
0.15 x 20 = 3

So, Sofia gave 3 comic books to Heather.

To find out how many comic books Sofia gave to Heather, we need to calculate 15% (or 0.15) of the total number of comic books Sofia had.

To do this, multiply the total number of comic books (20) by 0.15:

20 * 0.15 = 3

So, Sofia gave 3 comic books to Heather.