Whe carla looked out at the school parking lot, she noticed that for every 2 mimvans, there were 5 other type of vehicles in the parking lot, how many of them are not minivans?

- Question -

When Carla looked out at the school parking lot she noticed that for every 2 minivans, there were 5 other type of vehicles. If there are 161 vehicles in the parking lot, how many of them are not mini vans?

- Answer -

115 Vehicles that aren't minivans

- Explanation -

2 + 5 = 7 Lots

161 vehicles divided by 7 lots equals 23 lots in all

In 23 lots there are 5 vehicles that are NOT minivans

23 * 5 = 115 non minivan vehicles

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !