Answer:
£135 is the correct answer.
Step-by-step explanation:
Let C be the cost of table.
And let R be the radius of table.
Cost of table is directly proportional to square of radius.
As per question statement:
or
where 
is the constant to remove the 
.
It is given that
£60 and 
when 
Putting the values of 
and 
in equation (1):
Putting the values of 
and 
in equation (1):
Dividing equation (2) by (3):
So, <em>£135 is the correct answer</em>.
Answer:
13/20
Step-by-step explanation:
I got it right on my quiz :p
Answer:
4 3/8
Step-by-step explanation:
1. We can use the formula
<em>Area = L (length) x W (width)</em>
2. The area is unknown so we can substitute it for<em> a</em>
<em> </em>The length and width are both known, so we can plug them in.
<em>a= 2 1/2 x 1 3/4</em>
3. Solve by multiplying
<em>a=4 3/8</em>
