Finding a number from its percentage
Types of exercises: finding the whole, the whole from a part, in context.
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Problem
60% of a number is 159. What is the number?
Problem
The interest on a one-year savings account was 180 zloty, which is 3% of the amount paid in. How many zloty were paid in?
Problem
5% of a number is 40. What is the number?
Problem
12 people from a class went on a school trip, which is 60% of the class. How many people are in the class?
Problem
20% of a number is 61. What is the number?
Problem
The price of a phone was cut by 684 zloty, which is 40% of the original price. How much did the phone cost before the cut?
Problem
75% of a number is 114. What is the number?
Problem
The price of a chair was cut by 122 zloty, which is 50% of the original price. How much did the chair cost before the cut?
Problem
25% of a number is 106. What is the number?
Problem
Julia has already read 80% of a book, which is 476 pages. How many pages does the whole book have?
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