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

if f(-3) = -8, write a function rule

What is 15x7 for the real answer?

you are trying to choose between two cell phone plans plan a charges a $20 setup fee and $0.05 per minute Plan B charges no setup fee and $0.15 per minute

The scale on the map is 2cm : 185mi. If two cities are 3.86 cm away on the map how many miles away are they?

what 18/25 as a percent and decimal

What is the number seven hundred thirty-one million ,nine hundredthirty-four thousand thirty written in standard form?

Tubes of oil paint can be bought in sets of 5 for 13.75 or bought sepretly for the unit price. what would be the price of two tubes of this oil paint

The population of foxville is about 12 times 10 to the power of 3. which is another way to write this number

Please help me with this question ?

Help!I am stuck by those questions please help me.