The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
http://www.jiskha.com/display.cgi?id=1378345753
I'm pretty sure it goes something like:
3/5 = 3➗5 (sorry if that's a box, it's supposed to be a division sign) = 0.6
50*0.6= 30 5th grade students
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Another way to think about it is if the denominator is the same as the total, or simplified (if it is simplified, see how many times it goes into the total) just multiply/divide the total by the denominator and the numerator. Here is what I mean:
3/5 = 30/50
Total= 50 Students; Denominator= 50
They are the same, so the numerator stays the same, and also since they are the same, the numerator is also the answer.
OR
3/5
5 goes into 50, 10 times.
3/5 * 10/10 = 30/50
Your answer is the numerator.
To find out how many fifth-grade students are entered in the science fair, we first need to calculate the total number of fifth-grade students.
We are given that 3/5 of the total students are fifth-grade students, and there are a total of 50 students.
To find the number of fifth-grade students, we multiply the total number of students by the fraction representing the proportion of fifth-grade students (3/5):
Number of fifth-grade students = Total number of students × Proportion of fifth-grade students
= 50 students × 3/5
= 30 students
Therefore, there are 30 fifth-grade students entered in the science fair.