davidfernandez8240 davidfernandez8240
  • 03-12-2017
  • Mathematics
contestada

A swimming pool can be filled in 5 hours by hose a alone and 6 hours by hose b alone. how long would it take to fill the pool using both hoses?

Respuesta :

jorel1380
jorel1380 jorel1380
  • 07-12-2017
hose a =1/5 pool per hour
hose b=1/6 pool per hour
1/5+1/6=11/30 pool per hour
1/11/30=30/11 hours to fill the pool with both hoses
☺☺☺☺
Answer Link

Otras preguntas

Rename number 1,400 draw a quick picture
what year did Christopher Columbus come to America
yuna missed 5 points out of 100 points on her math test.what decimal number represents the part of her math test that she answered correctly?
how many times does 45 go into 323
cheryl can travel 21.6 miles on one gallon of gas. how far can cheryl travel on 6.2 gallons of gas?
true or false most brain activity stops during sleep
what is 64,569 rounded off to the nearest thousand
A graphing calculator displays 1.89 * 10 12 as 1.89 e 12. how do you think it would display 1.89 * 10-12 ? What does e stands for ?Please help me answering this
A survey indicated that 3 out of 5 doctors use brand X aspirin. If 2000 doctors were surveyed, how many used brand X?
3)a beaker has a mass of 12g what is the mass of this beaker in decigrams