A group of 32 students went to the amusement park.All of them either rode the Ferris wheel or Roller coaster.Seventeen rode the Ferris wheel,23 rode the roller coaster,and 8 did both.How many rode only the Ferris wheel
You need to show a Venn Diagram for this question
Have you done Venn diagrams before?
Draw two intersecting circles, call then F and R
put 8 in the intersection of F and R.
put 17-8 or 9 in the region of F not intersected.
put 23-8 or 15 in the region of R not intersected.
So counting up what we have:
9 + 8 + 15 = 32 , good!
How many are "only" in the F circle ?
The answer to the question is 25 people rode the ferris wheel
To find out how many students rode only the Ferris wheel, we need to deduct the number of students who rode both the Ferris wheel and the roller coaster from the total number of students who rode the Ferris wheel.
First, we find the total number of students who rode the Ferris wheel by using the information given: 17 students rode the Ferris wheel and 8 students rode both the Ferris wheel and the roller coaster. Therefore, the number of students who rode only the Ferris wheel is 17 - 8 = 9.
So, 9 students rode only the Ferris wheel.