Shrinf Shrinf
  • 13-09-2014
  • Mathematics
contestada

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

Respuesta :

TaylorBayley
TaylorBayley TaylorBayley
  • 13-09-2014
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
  • 13-09-2014
He began with 6 comic books
Answer Link

Otras preguntas

A farmer in an early civilization grows a crop surplus and shares it with his neighbors. Which of the following events must have occurred before this scenario c
What is the Answer to 2=-3x+26
What does this equal? 3y=4
A statement that can be proven by observation or measurement is known as a(n)
Which one of the essential nutrients is most likely to cause dental caries? A. Carbohydrates B. Minerals C. Proteins D. Fats
50% of what number is 90?
Who heads up the Department of Justice under the Executive Branch? A. Secretary of State B. Secretary of Justice C. Attorney General D. Secretary of Commerce
If you push on a wall with a force of 200 N, with what force does the wall push back
The SALT treaty called for U.S. and Soviet nuclear disarmament. true or false?
What role did Greek and Roman traditions play in the development of the United States