Fred can drink #8 3/4# sodas in 5 minutes. At this rate, how many sodas can Fred drink in 2 minutes?
2 Answers
Explanation:
You know how much he can drink in 5 minutes, and you want to know how much he can drink in 2. So if you work out how much he drinks in 1 minute, then you multiply it by 2 to get your answer.
to multiply fractions: top-times-top, bottom-times-bottom:
Now multiply by 2 and you know how much he can drink in two minutes!
Fred can drink 1 and a half cans of soda in
Explanation:
We can just cross-multiply for the entirety of this problem.
First off, I'm going to turn the fraction into an improper fraction.
#8\3/4 = 35/4#
I'm also going to convert the time from minutes to seconds.
#(1 "minute") /(60 "seconds") = (5 "minutes")/x#
#300=x#
There are
Now the actual problem.
#(35/4)/300=x/120#
#1050=300x#
#1050/300= (300x)/300#
#3.5=x#
#7/2=x#
#1\1/2=x#
Therefore, Fred can drink 1 and a half cans of soda in
Hope this helps :)