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

Approximately how many miles apart are Petrograd and Moscow ? A. 200 B. 350 C. 500 D. 650

Where and when did Martin Luther King Jr. die?

what british policy did american colonists protest at the boston tea party

what two developments in the late 1800s led to the decline of the cattle business ?

How many “dots” would be around the central atom in the Lewis structure of S? A) 5 B) 6 C) 7 D) 4

What part of the cell produces ATP for the blueberry plant to grow? A. Mitochondrion B. Cytoplasm C. Ribosome D. Nucleus

where are chromosomes found in eukaryotic cells

What part of the cell produces ATP for the blueberry plant to grow? A. Mitochondrion B. Cytoplasm C. Ribosome D. Nucleus

what two developments in the late 1800s led to the decline of the cattle business ?

During a recent winter, the ratio of deer to foxes was 7 to 3 in a town. If there was 210 foxes in the town, what was the number of deer in the town?