Carol's bookshelf has4 shelves with6 books on each. Her brother Robert has 3 shelves with 7 books on each. They want to combine their books. If they put 9 books on a shelf, how many shelves will they need?

Answer 1

(4 * 6) + (3 * 7) / 9 = ?

Answer 2

This is clearly a university level question.

answer = ⌈(4*6 + 3*7)/9⌉ = 5

Answer 3

idk I need help :P

Answer 4

I dont know hiw i do it

Answer 5

this website dose not hep

Answer 6

Are you sure

Answer 7

it helped me sooooooooooooooooooooo much!!!!!!!!!!!!!!!!!!!

Answer 8

is this answer right

Answer 9

First you have to (4*6) and (3*7) you get your answer for both of them and then you add them and you divide the answer you got with (4*6) and (3*7) with nine-9 and your answer is 5.