3/4 + 1/2 write answer in a mixed number in simplest form

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

Ill mark the brainliest if you me with the these three questions 7,8,9

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.