Answer:
Hey There!
Let's solve...
Here it is a rectangular floor with length =21 cm and width =15cm
So

So now We need to convert it to yards square

So how this 9 ft^2 came??
Let's know

<h2>I hope it is helpful to you...</h2><h3>Cheers!_______</h3>
Answer:
64%
Step-by-step explanation:
The nickel= 9/25
The copper=16/25
1. Multiply by 4 to get a total of 100
nickel=36/100
copper= 64/100
Sorry if it is wrong but i hope i was right
Answer:
<h2>80%</h2>
Step-by-step explanation:
step one:
completed delivery = 44
total delivery to be made= 55
Step two
Required is the percentage completed
the formula is
=completed/total*100
=44/55*100
=0.8*100
=80%
Hence Pablo has completed 80% of the deliveries so far
7v-v=12 subtract v from 7v to get 6v
6v=12 divide 12 by 6 to find variable
v=2