Application Problems

Solve application problems by adding and subtracting fractions

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QUESTION OF
Views #: 538
Questions #: 5
Time: 10 minutes
Pass Score: 80.0%
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Mode

Television Viewing Habits

1 pts

Students on a college campus were asked to estimate to the nearest hour how much television they watched each day. The results are given in the circle graph below (also called a pie chart). For example, the chart tells us that \(\frac14\) of those responding watched 1 hour per day.  What fraction of the student body watches from 0 to 2 hours daily?

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Explanation

Budgets

1 pts

"Putting together a budget is crucial if you don’t want to spend your way into serious problems. You’re also developing a habit that can serve you well throughout your life.”

Liz Pulliam Weston, MSN Money

The circle graph below shows a suggested budget for new college graduates as recommended by Springboard, a non-profit consumer credit counselling service. What fraction of net take-home pay should be spent on housing?

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Explanation

Botany

1 pts

To determine the effects of smog on tree development, a scientist cut down a pine tree and measured the width of the growth rings for the last two years.

The measure of the first year was \(\frac{1}{16}\) in and the measure of the second year on top of the first year was \(\frac{5}{32}\) in

  1. What was the growth over this two-year period? (1)
  2. What is the difference in the widths of the two rings? (2)

Use "/" to write the fraction in your answer e.g. 1/2 or 3/4

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Explanation

GARAGE DOOR OPENERS

1 pts

What is the difference in strength between \(\frac13\)-hp and a \(\frac12\)-hp garage door opener?

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DELIVERY TRUCKS

1 pts
volume_mute

A truck can safely carry a one-ton load. Should it be used to deliver one-half ton of sand, one-third ton of gravel, and one-fifth ton of cement in one trip to a job site?

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Explanation

✕
0
sin cos tan
sin-1 cos-1 tan-1 π e
xy x3 x2 ex 10x
y√x 3√x √x ln log
( ) 1/x % n!
7 8 9 + MS
4 5 6 – M+
1 2 3 × M-
0 . EXP ÷ MR
± RND C = MC
Keywords
Year 5