Question

help 911
Peter plans to cover two walls of his rectangular room with wall paper, as shown below.



A roll of wallpaper is 10 meters long and 0.5 meters wide. Assuming that there is no wastage, how many rolls of wallpaper would Peter require to cover the two walls?

3

13

16

5

Answer 1

jc edit yur question and remove the 911

Answer 2

lol why

Answer 3

bc it isnt necessary your are not in any danger

Answer 4

lol okkkkkkkkkkkk

Answer 5

just find the area of each wall and then add it all the number

Answer 6

i don't know how to do that

Answer 7

area of square is L X W

Answer 8

16 roll is needed

Answer 9

look at the bottom the inside of the blue box and it will say edit question

Answer 10

see,40+40=80 sq.m area is to be covered...and one wallpaper is of area 5=10*0.5...so 80/5=16 wallpapers are needed :)

Answer 11

4 x 8= 40 then add 40 more for the other wall

Answer 12

ok ok let me see

Answer 13

how do you get 40

Answer 14

4*8 is 32

Answer 15

sorry mistake 32 +32

Answer 16

lol ok

Answer 17

64 /5 = 12.8

Answer 18

rounded to the nearest tenth is 13

Answer 19

@Cemantha is right

Answer 20

thanks girls

Answer 21

ur welcome

Answer 22

i did this already io was jus here to see if she would understand what she was saying =) but she did a good job exceot the 4*8 but that was a common mistake but good job

Answer 23

but height is 5 and 5*8 is indeed 40!!! :P

Answer 24

lol cemantha

Answer 25

wait i didnt see that . hold on one sec bc my old problem had 4 instead of 5

Answer 26

the answer is 16 and i'll explain . huneya mistakingly put 4 instead of 5 for 4*8 its really 5*8 which is 40 and so 40 + 40 = 80 ; 80/5= 16 so the correct answer is 16 jc im sorry i didnt read yur question correctly

Answer 27

oh its ok thanks for the help

Answer 28

your welcome