Answer :
Given :
- per minute cost to use the phone : 2.8 pence
- Phoebe's average per day screen time : 77 minutes
- Number of days she pays the phone bill for : 29 days
To find :
- Amount Phoebe pays for 29 days usage of her phone
Solution :
In order to find the phone bill for 29 days , we are required to multiply the per minute cost to the average daily screentime and then multiply the result to 29.
Thus, she pays 215.2 pence every day .
Since, there is 100 pence in one pound,
Therefore, she paid an estimate of £62.52 bill for her phone for 29 days.