1.Isabel exercises no less than 45 minutes per day.

Use t to represent Isabel’s amount of exercise (in minutes per day).

2. The vehicle’s fuel is at least 45 miles per gallon.

Use f to represent the vehicle’s fuel efficiency (in miles per gallon).

1.Isabel exercises no less than 45 minutes per day.

Use t to represent Isabel’s amount of exercise (in minutes per day).

2. The vehicle’s fuel is at least 45 miles per gallon.

Use f to represent the vehicle’s fuel efficiency (in miles per gallon).

greater than or equal to.greater than or equal to.