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

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

Part 1:A cat that is heterozygous for PKD is bred with a cat that does not have PKD. Use a Punnett square to determine the probability of the possible genotypes

7. Represent [tex]\(\frac{3}{4}\)[/tex] on a number line.Identify three rational numbers between [tex]\(\frac{25}{30}\)[/tex] and [tex]\(\frac{1}{2}\)[/tex].4 M

A boy stands 1200 meters from a wall and claps his hands at regular time intervals. He adjusts the time interval between successive claps so that the echo from

What does the use of words such as "Welfare" and "Liberty" in the Preamble show?A. Metaphor B. Dialect C. Diction D. Slang

Greenwood Company manufacturers two products- 14,000 units of Product Y and 6,000 units of Product Z. The company uses a plantwide overhead rate based on direct

Select the correct answer from each drop-down menu. Complete the statements about the images on the graph. A sequence of transformations that proves congruen

From the diagram below, if AB = 15, BC = 8, and AC = 17, find the degree measure of angle A

Historical fiction is a branch of fiction that deals with historical plots, characters, and setting. Not every detail in a work of historical fiction is true, b

A company with a high level of productivity is able to:A. avoid high opportunity costs.B. operate without much investment.C. produce goods and services efficien

Question 5 (Multiple Choice Worth 2 points)Given the function [tex]f(x)=x^2[/tex] and [tex]k=-1[/tex], which of the following represents a function opening down

4. ¿Qué motivó a los yacarés a trabajar en conjunto?

What economic lesson did the United States learn from the Vietnam War during the 1970s?

Rome, 500 B.C.E.Start of 1st Punic War, 264 B.C.E.End of 3rd Punic War, 146 B.C.E.Death of Caesar, 44 B.C.E.EgyptNile Riverased on Rome's location and expansion

Which problem does the Kyoto Protocol target?OA. Ozone depletionB. CFC useOC. UV radiationD. CO2 emissions

I'm not sure, why I pay any attention to that. Half run-on Comma error Fragment None of the answers Comma splice All of the answers Full run-on What mistake c

What are you checking for during aninspection of the center support bearingand propeller shaft?Select all that apply:A. Check the center support bearinghousing

The city planners just planted a rectangular flower bed in the park that is 15 ft by 30 ft. Since she can’t walk on the new flowerbed, how much farther will Su

Negatives 3 Complete the sentences with isn't, aren't, 'm not, doesn't, or don't. 1 Helen Walker isn't a flight attendant. She's a pilot. 2 She a plane. 3 'I 4

Which statement best summarizes the presence of greenhouse gasesin the atmosphere? (1 point)The atmosphere has recently changed and is mostlyO greenhouse gases,

sin-1(- squareroot 3/2) in radians