The speed limit in the school parking lot is 15 miles per hour. nannette drove into school at a speed of 19 miles per hour. by how many miles per hour did nannette exceed the speed limit?

4 miles per hour.

Step-by-step explanation:

In order to calculate this you just need to withdraw from the speed at which Nannette was driving in the school parking lot the speed limit:

Excess of speed: Nannettes speed-speed limit

Excess of speed: 19 mph-15mph

Excess of speed:4 mph

So now we know that she was driving 4 miles over the speed limit.

d

step-by-step explanation:

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.