Van budgets 12 a day for groceries for weekdays and 15 a day for weekends. write an expression in simplest form to show his grocery budget for w weeks

The budget of Van for groceries for 1 week is:

12 $ (per a weekday) * 5 (weekdays) + 15 $ (per a weekend day) * 2 (weekend days) = 60$ + 30$ = 90$

The budget of Van for w weeks is:

90 $ (per week) * w (weeks) = 90w dollars.

Answer: 90w $