How do I do this I forgot

Speed = distance / time

45 minutes = 0.75 hours

1 hour and 45 minutes = 1.75 hours.

70 km / 1.75 hours = 40 km per hour

40 km per hour

john earns $14.00 for two hours of work.

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.