Lo is leaving from work today at 4: 45 p. m. she has errands to run before she meets her friends for dinner at 8 p. m. if it takes lo of an hour to run each errand, how many errands does she have time to run between work and dinner?

2

Step-by-step explanation: Because you can't run half of an errand therefore it can only be 2 to be on time for dinner

3

Step-by-step explanation:

So she has 3 hours and 15 mins to spare. Each errand takes her 1 hour. So we have 3 full hours, which would equal 3 errands. Leaving 15 mins. So she has 3 errands

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.