Answe7
Step-by-step explanation:\
15+B=23
subtract 15 from both sides
-15+15+B=23-15
15 cancels out on the left and the answer is:
B=8
Hope this helps :)
18? because 45 divide by 5 is 9, and 5 cookies minus 3 is 2, so multiply 9 by 2 for 18
18 x 20 = 360
360 / 20 = 18
So 18 is the answer