Like many of us Kathy is conscious that she is spending too much time on her mobile phone and has been trying to stay off social media.
Kathy gets a weekly report showing the amount of time she has been active on her phone.
This week the report says that the phone was used for 217 minutes.
This is 24% more than last week.
Calculate Kathy’s phone usage (in minutes) for last week.
Answer:
Since 217 is 24% more than last week it means 217 is 124% of the phone usage last week
Therefore if you divide both by 124 you get 1%
Therefore 1% = 1.75
Multiply both by 100 to get 100%
100% = 175 minutes