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REAL
QUIZ 5 DUE
MONDAY 3/05. Note:
The fractions below we write with a forward slash, i.e., 1/2 means one
half, 3/4 means three -fourths, etc.
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Sec. 3.3
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1. Maxwell gained 15 lbs over the
winter break from school. He went on a diet in Spring and lost 29 lbs. Then he regained 5 lbs in
Fall and finally weighs 179 lbs. How
much did he weigh originally?
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2. While shopping
for clothes, Jesse spent 3 more than twice what Brenda spent. Jesse spent
$81. How much did
Brenda spend?
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3. When 75 is
subtracted from four times
Tamu ‘s age, the result is Tamu’s
age. How old is Tamu?
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Sec. 3.4
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4. My sister is 9 years older than I am. The
sum of our ages is 51. Find our ages.
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5. Last year Raquel earned $1500 more
than her husband. Together they earned
$37,500. How much did each of them earn?
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6. A rectangular rabbit pen is twice as
long as it is wide. The perimeter of
the pen is
36 ft.
Find the length and the width of the pen.
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Sec. 4.1.
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7. What is this
absolute value? | - 1/2 | .
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8. Rewrite the
following fraction with a denominator of 36:
3/4.
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9. Rewrite the
following fraction with a denominator of 4: -15/20.
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10. Rewrite the following
fraction with a denominator of 3: 12 /18.
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Sec. 4.2. .
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11. Write each fraction to
lowest terms: (a) 6/9 (b) 12/16
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12. Label each of the following
7 numbers as prime or composite: 12
3 7 6
15 13 25
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13. Find the prime
factorization of each number (a) 80 (b) 64 (c) 385 (Hint: On
(c) divide 385 by 5 to write 385 as
5*number. Then keep breaking the
number down by dividing by other obvious factors. Use the
"tree" method if
you want. I recommend trying
it. )
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