Madalyn4482 Madalyn4482
  • 09-01-2024
  • Mathematics
contestada

A, B, C and D can do a piece of work in 40 days. If A and B can do it together in 100 days, and C alone in 120 days, find the time in which D alone can do it.
A. 120 days
B. 200 days
C. 150 days

Respuesta :

Otras preguntas

Write a program that takes a set of numbers and determines which is the smallest. Ask the user for the following information, in this order: A terminating value
What is the sum of the two expressions? (2/5x + 3) + (1/5x − 1)
Evaluate x^2 + 2x -1 when x = -3 help 1. -2 2. 2 3. 16 4. -15
An FHA-insured loan in the amount of $157,500 at 5.5% for 30 years closed on July 17. The first monthly payment is due on September 1. Using a 360-day year and
What can astronomers determine by analyzing the light a star emits?
Based on this excerpt, what can you infer about Chamberlain's position on the Sudetenland? O He was willing to protect the Sudetenland at all costs. O He was wi
we need to send 254 kbps over a noiseless channel with a bandwidth of 15 khz. how many signal levels do we need
A collect call costs $5.99 to connect plus 99 cents per minute. What is the cost of a 6 minute call?​
The last extermination camp was
can yall pls help me .... idek what I'm doing
good job