2 and one fifth is 11% of what number?

The required number of the given question is 20.

Step-by-step explanation:

Given:

2 is 11% of a given number.

To find:

The given number

Let, the number be "x"

According to the problem,

2 = 11% of x

or, 2  = x ×

or, =

or, 11 ×5x = 100×11 [ by cross multiplication]

or, x = 20

20

Step-by-step explanation:

2 1/5 ÷ 0.11

2 1/5 * 100/11

11/5 *100/11

eleven cancels out 11

100/5

Put in lowest terms

100/5 ÷ 5

20

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies