Asked by Paisley
Arjun can answer 30 math facts in 60 seconds. How many math facts can Arjun solve in 8 seconds?
Answers
Answered by
Emily
Find out how many seconds it takes him to answer one math fact.
Next you divide how many seconds it takes him to answer one question from the seconds that are be asked, in this situation it is 8.
Example:
Emily can answer 18 math facts in 36 seconds. How many math facts can Emily solve in 10 seconds?
36 / 18 = 2
It takes 2 seconds to finish one math fact.
10 / 2 = 5
So, Emily can solve 5 math facts in 10 seconds.
Next you divide how many seconds it takes him to answer one question from the seconds that are be asked, in this situation it is 8.
Example:
Emily can answer 18 math facts in 36 seconds. How many math facts can Emily solve in 10 seconds?
36 / 18 = 2
It takes 2 seconds to finish one math fact.
10 / 2 = 5
So, Emily can solve 5 math facts in 10 seconds.
Answered by
oobleck
all of these proportion problems can be solved by setting your unknown ratio equal to the known constant ratio.
x/8 = 30/60
x/8 = 30/60
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