Seudónimo Seudónimo

02-02-2016
Mathematics

contestada

tom sold half of his comic books and then bought six more. he now has 12. how many did he begin with?

Respuesta :

jessicaa57 jessicaa57

02-02-2016

b=books
Sold half of book: b/2
Bought six more: b/2+
Now has 12: b/2+6=12
Subtract 6 on both sides: b/2+6-6=12-6
b/2=6
Multiply both sides by 2: b=12
Answer= 12 books

Answer Link

Otras preguntas

Toddlers are extremely active, naturally curious, and very top heavy making them prone to falls. The disproportionately large head and small legs common to 2-3

Which set of values makes the inequality n > -5 true? {-5, -5.5, -6} {-5, -4.5, -3) {-6,0,5} {-6, -7,-8}

Why do the United States want to control California

Please help and explain. What molecular clock might be useful to examine the evolutionary relationship between several phyla in the Plant Kingdom? Explain your

Six more than the product of 24 and Vidya’s age

A chemist dissolves 327.mg of pure hydrochloric acid in enough water to make up 120.mL of solution. Calculate the pH of the solution. Be sure your answer has th

(Correct what is wrong in this statement) THERE ARE SHEER CLIFFS ON THE RIGHT

In a large lecture class, the professor announced that the scores on a recent exam were normally distributed with a range from 51 to 87. Using the Empirical Rul

Most population growth is happening... in the developed world in the developing world

When did Ottomans lose territory in Crimea?