Q:

Could someone find the expression?

Accepted Solution

A:
Answer:Total earned(in dollars) [tex]=2\ t+920[/tex]Step-by-step explanation:Given:Michael's hourly rate working as a tutor = $12 per hourMichael's hourly rate working as a waiter = $10 per hourTotal number of hours worked by Michael for both jobs this month = 92 Let the number of hours Michael works as a tutor this month be [tex]=t[/tex] hours.∴ Number of hours Michael works as a waiter this month will be [tex]=(92-t)[/tex] hours.Amount earned by Michael this month from tutor jobβ‡’[tex]\textrm{Hourly rate}\times\textrm{Number of hours worked}[/tex]β‡’[tex]12\times t[/tex]β‡’[tex]\$12\ t[/tex]Amount earned by Michael this month from tutor jobβ‡’ [tex]\textrm{Hourly rate}\times\textrm{Number of hours worked}[/tex]β‡’[tex]10\times (92-t)[/tex] Β  Β  β‡’[tex]\$(920-10\ t)[/tex] Β  Β  [Using distribution]Total amount earned by Michael from both the jobs this month in dollars can be given as β‡’[tex]\textrm{Amount earned from tutor job+Amount earned from waiter job}[/tex]β‡’[tex] 12\ t+(920-10\ t)[/tex]β‡’[tex]12\ t+920-10\ t[/tex]β‡’[tex]2\ t+920[/tex]