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

write the equation in function form then graph it 5x-2y=6 thx to the ppl who help

solve for m (r=3m+3z) solution is m=___, use integers or fractions for any numbers in the expression (simplify answer) please help

Write down a sensible metric unit for measuring A) the distance from London to Paris B) the amount of water in a swimming pool

A radio station transmits waves at a frequency of 120MHz an a speed of 300 million m/s. Calculate the wavelength.

what do this mean explain the following thoughts of annemarie, "it was hard for the ones who were waiting, Annemarie knew. Less dangerous perhaps but more fear

What substance is made during transcription and where does it occur

An element with mass 1000 grams decays by 14.8% per minute. How much of the element is remaining after 11 minutes, to the nearest 10th of a gram?

n^2+7n+15=5 show work please

What happened to Mohenjo-Daro and Harappa? (They're two ancient cities in ancient India)

write the equation in function form then graph the equation 3x-y=5