Identify the percent, amount, and base in this problem.

75% of what number is 30?

a. percent = 30%, amount = 75, base = unknown

b. percent = 75%, amount = unknown, base = 30

c. percent = 75%, amount = 30, base = unknown

d. percent = unknown, amount = 30, base = 75

The Percent = 75% , base = unknown.

And the base is the number that follows " of " amount = 30.

Given that,

75% of what number is 30.

We have to determine,

Identify the percent, amount, and base in this problem.

According to the question,

Percentage means a number or a ratio represented in the form of fractions of 100. It is represented using the percentage sign ‘%’.

The percentage is defined as how much of one quantity is made by another quantity and it is evaluated in terms of 100.

The percentage is used to express fractions of a whole, while percentiles are the values below which a certain percentage of the data in a data set is found.  

Therefore, Percent = 75% , base = unknown.

And the base is the number that follows " of " amount = 30

To know more about Percentages click the link given below.

link

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

4.

step-by-step explanation:

it have the same area.brainliest