Question

Yesterday, there were 80 problems assigned for math homework. Harry did 20 % of them correctly. How many problems did harry get right

Answer 1

Answer:16 correct problems.

Explanation:

Convert a percent to a decimal (20%=0.2)

Then multiply your total by the decimal.

80 x .2=16

Answer 2

Harry was right in:

• 16 problems.

Explanation:

To solve the exercise you must take into account that the total number (80 problems) must be taken as 100% of the exercises, with which, you can identify the number of problems that corresponds to 20% using a rule of three, as shown then:

• 80 problems = 100%
• X = 20%

Where X is the number of exercises that corresponds to 20%, then you proceed to operate:

• X = (20%*80)/100% = 16

So 20% of 80 problems, which was the number Harry hit, is 16 problems.