The teacher will use 3 rolls only to have perfect measurements.
1 yard = 3 feet
4 large bulletin boards are there each needing 9 yards of border.
That means 4 large bulletin boards in total need
9×4 yards of border
= 36 yards of border
= 108 feet of border
Also, there is a small bulletin board that only needs 12 feet border
Hence, in total there is a need for
108 + 12 = 120 feet border.
The border is sold in 40-foot rolls.
Hence, there is a need for 120/40 rolls
i.e. 3 rolls
Hence, the teacher will use 3 rolls only.
Learn more about measurements here-
brainly.com/question/15658113
#SPJ10
7.6=w/12
w=7.6(12)
w=91.2
x/2=20
x=20(2)
x=40
8.3x=41
x=41(8.3)
x=340.3
54=r/3
r=54(3)
r=162
Answer:
3(2x-5)=6x+k
6x-15=6x+k
6x-6x=k+15
0=k+15
k=-15
Step-by-step explanation:
Answer:
1) A KitKat Crispy bar
2) B4
3) Then the machine is broken
4) It could be a malfunction
5) No, someone messed up the stickers
6) Them the machine is working
