Shrinf Shrinf
  • 12-09-2014
  • Mathematics
Answered

Mike sold half of his comic books and then bought 9 more. He now has 12. How many did he begin with?



Answer :

TaylorBayley
TaylorBayley TaylorBayley
  • 12-09-2014
You can make this an equation:

(x/2)+9=12 -- subtract 9 from both sides
x/2=3 -- multiply by 2
x=6

He started with 6 comic books.
Answer Link
Аноним Аноним
  • 12-09-2014
He began with 6 comic books
Answer Link

Other Questions

What is the electron configuration of helium
What is the electron configuration of helium
How is carbon dioxide obtained?
How is carbon dioxide obtained?
Factor completely, the expression: 2x^3-2x^2-12x
Factor completely, the expression: 2x^3-2x^2-12x
What are the origins of prevailing ideas about natural, ideal, and deviant bodies in sports and in society?
What is 2.333333 in fraction form
In a class of 35 students, 25 girls averaged 92% on the last test, while the 10 boys averaged 85% on the same test. What is the average for the entire class on
find the difference: 7 7/8 - 3 1/4