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Week One DiscussionWeek 1
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Author:
Tamiko Harrison
Posted date:
Thursday, February 5, 2009 7:36:16 PM PST
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View Full Document You will select the ages of two people in your life, one older and one younger. It would be
great if the younger person was 15 years old or less.
b. By name and age, prime factor your age and then the other two persons’ ages. Please
show your work listed by name and age. Make sure your work is clear and concise.
c. Find the LCM and the GCF for the set of ages. Again, be clear and concise.
d. Explain in your own words, what your calculated LCM and GFC mean for the ages you
selected. Be specific to the numbers; do not just give generic definitions.
(a). The ages that I selected of the two people in my life that are older and younger is my
husband Nate who is 42 and my youngest son Joshua who is 8.
(b). 1. Tamiko age 36/ Prime factor age 36 (2x2x3x3)
2. Nate age 42/ Prime factor age 42 (2x3x7)
3. Joshua age 8/ Prime factor age 8 (2x2x2)
(c). LCM for sets of ages (36, 42, 8)
(36) The most times that 3 appears is 2 (9 = 3x3)
(42) The most times that 7 appears is 1 (7 = 7x1)
(8) The most times that 2 appears is 3 (8 = 2x2x2)
LCM/ 3x3x7x2x2x2 = 504
(d). GCF for sets of ages (36, 42, 8)
36= 2x2x3x3
42= 2x3x7
8= 2x2x2
The most common number that appears in all three sets of ages is 2 therefore the GCF is 2.
(e). Explain what the calculated LCM and GCF mean for the ages: The calculated LCM (504)
is the only product that these ages (36, 42, 8) have in common and the calculated GCF (2) is the
greatest common number that can be multiplied by another number (2x18 = 36, 2x21= 42,
2x4= 8) to get these ages (36, 42, 8).
Author:
Tamiko Harrison
Posted date:
Thursday, February 12, 2009 7:56:34 PM PST
Last modified date:
Thursday, February 12, 2009 7:56:34 PM PST
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a. Save a cash register receipt from a shopping trip to the food market or borrow one from a family member or friend. The cost of 4
prepackaged food items that are sold by weight and the cost of at least 3 fruits or vegetables need to appear on the receipt. If you have no access
to a receipt with these items, then you will need to go to the store and write down the cost information.
Fruits and vegetables are sold by the pound. Add up your total cost for the fruits and vegetables and find the average cost per pound. [Example:
if bananas are .79 per pound and apples are .59 per pound, the average is calculated like this: (.79 + .59)/2 = 1.38/2 = .69 per pound on average
for the two fruits.]
Locate the weight of your prepackaged food items. [For example, on a box of Frosted Flakes it says 15 oz., thus it is sold by weight not by
volume.]
Add up all of the weights for your prepackaged items and then add up all of the costs for your four prepackaged items.
From the totals, find the average cost per ounce of prepackaged items. Convert your results to cost per pound; using proportions will help.
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This note was uploaded on 07/11/2011 for the course MATH 126 taught by Professor Staff during the Spring '11 term at Ashford University.
 Spring '11
 Staff
 Math

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