A company launched business App. For smart mobile phones, the users who installed the app. in $2014$ were $142000$ users, and they increase by $10\%$ each succeeding year.

a$)$ Determine the number of users in the year $2019.$

b$)$ If the company gains on average annual revenue of OMR $20$ per user, what is the total revenue gained until the end of the year $2020?$

Answer rating: 100% (QA)

a To determine the number of users in the year 2019 we can use the formula for compound interest A P1 rn Where A is the amount after n years P is the ... View the full answer