You work for a manufacturing company on a production line that manufacture your cell phones you’re paid $30 a day plus $.75 for each phone that you assemble

. If you assemble 40 phones in a day, how much will you earn?

First, calculate the amount earned for assembling 40 phones:
40 phones assembled * $0.75 per phone = $30

Then, add your base pay of $30:
$30 (base pay) + $30 (amount earned for assembling 40 phones) = $60

You will earn $60 for assembling 40 phones in a day.