2.3 Problem Solving With Rational Numbers In Fraction Form Page 2
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1
2Date:
8. Estimate and calculate. Show
10. Alyssa purchased 120 shares of
1 __
your work.
ElecTeck stock for 1
dollars per
4
share. She also purchased 200 shares
1 __
(
3 __
)
7 __
3 __
b) 1
a) -
÷ -
÷
-1
4 __
2
8
4
8
of Apexal stock for
of a dollar per
5
share. After six months, the value
1 __
of ElecTeck stock went up by 1
and
2
1 __
Apexal lost
of its value. What was
4
the total value of Alyssa’s stock after
six months?
2 __
1 __
1 __
3 __
(
)
c) -3
÷
-1
d)
÷
3
6
3
4
9. Luc has 1 h of homework to do. He
has assignments to complete for social
studies and math, and a science test
11. A pine tree growing on shallow soil
2 __
to begin studying for. He spends
of
has roots extend one-eleventh of its
5
the time completing the social studies
height below the surface. The roots
1 __
assignment, and
of the time on
extend 0.87 m deep. How high is the
3
math. How much time does Luc have
tree, to the nearest tenth? Draw a
left to study for the science test? Show
diagram to represent the situation.
two ways of answering this question.
Justify your answer.
2.3 Problem Solving With Rational Numbers in Fraction Form • MHR 21
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