Hanako is solving problems of Sansue workbook every day.
She finished solving 72% of the number of all problems today.
If she solves 4 more problems, she would finish 80 %.
How many problems are there in all?
Answer
50 problems
Solution
4 problems are equivalent to 80 - 72 = 8 % of all problems of the workbook.
Therefore the number of problem is 4 / 0.08 = 50 problems.
She finished solving 72% of the number of all problems today.
If she solves 4 more problems, she would finish 80 %.
How many problems are there in all?
Answer
50 problems
Solution
4 problems are equivalent to 80 - 72 = 8 % of all problems of the workbook.
Therefore the number of problem is 4 / 0.08 = 50 problems.
