Page 224 - Basic College Mathematics with Early Integers

S E C T I O N 3.3 I MULTIPLYING AND DIVIDING FRACTIONS 201

4
3. SOLVE: Before we solve, let’s estimate a reasonable answer.The fraction is
1 1 17
less than (draw a diagram, if needed), and of 68 rides is 34 rides, so the
2 2
number of roller coasters should be less than 34.

1
#
#
#
4 4 68 4 68 4 17 4 16
# 68 = # = = = or 16
#
#
17 17 1 17 1 17 1 1
1
4. INTERPRET. Check your work. From our estimate, our answer is reasonable.
State your conclusion:The number of roller coasters at Cedar Point is 16.
Work Practice 14

To help visualize a fractional part of a whole number, look at the diagram below.
Q of 60 ?

Q of 60 is 12.