alane asked:
Solve the problem.
A recent advertisement claimed that 2 out of every 5 doctors recommend a certain herbal supplement to increase energy levels. If a local hospital employs 210 doctors, how many doctors would you expect to recommend the supplement? (Round to the nearest whole number, if necessary.)
Solve the problem.
A recent advertisement claimed that 2 out of every 5 doctors recommend a certain herbal supplement to increase energy levels. If a local hospital employs 210 doctors, how many doctors would you expect to recommend the supplement? (Round to the nearest whole number, if necessary.)
525 doctors
2100 doctors
84 doctors
42 doctors
Problem 2
Solve the problem.
One pump can drain a pool in 8 minutes. When a second pump is also used, the pool only takes 3 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?
Abigail
December 31st, 2009 at 12:06 am
1. simply do 2/5 of 210
=2/5 x 210 = 84 doctors
January 1st, 2010 at 8:12 am
The pool in minutes using that information you can drain 38 of the pool in minutes and solve for the first one.
January 4th, 2010 at 11:14 am
first problem:
84 doctors
second problem:
5 minutes
January 7th, 2010 at 11:14 am
a) 210 doctors, divide by 5, multiply by 2
210 / 5 x 2 = ……
b) call first Pump x
call second pump y
x = 8 mins
x + y = 3 mins
x + y - x = 8 - 3 = …..