mjj2027 mjj2027
  • 23-02-2024
  • Mathematics
contestada

a copy machine can copy a report in 30 minutes. When a second copy machine is used at the same time, the copying can be done in 18 minutes. How long does the second machine take alone?

Relax

Respuesta :

Otras preguntas

What is the relationship between the Iroquois democratic system and the constitution of the United States
Suppose a small river with a population of 10000 frogs becomes polluted with cadmium to a level of 3 mg per gallon per day, about how many bullfrogs would be ex
Consider to circular swimming pools.Pool A has a radius of 12 feet and Pool B has a diameter of 7.5 meters which pool has a greater circumference how much grea
How would I explain primary election to 5th graders
How do you simplify (-3)^-2
Which policy establishment the right of the United States to act as a policeman in the western hemisphere
How does the government try to prevent
How does upper bounds work?
What did Milan, Venice, and Florence have in common as powerful states
If a DVD player cost 185, and a carrying case cost $30.00. What is the total price for all if the sales tax is 7%?