Answer:
B
Step-by-step explanation:
100% is unknown 100:20 is 5
8,000*5=40,00
4w+5+33=90
4w=90-5-33
4w=52
w=13
Answer:
5.1 (Rounded down to 5)
Step-by-step explanation:
What you do first is
16.8 * 24.3
this is 408.24
now you do 408.24 / 80 which is 5.1
Obviously you cant by 0.1 of a roll but you could just round that down to 5, then the little bit that isnt covered you could just buy a smaller roll of carpet or something