# HW 1-31

```Homework
Week of January 31, 2011 to February 4, 2011
Name: ______________________________
Block: ______________________________
DUE Friday, February 4, 2011 – WORTH 25 POINTS PER DAY
SHOW ALL WORK (USE ANOTHER SHEET OF PAPER, IF NEEDED)
Monday
1. Complete the table for the function below.
Tuesday
1. Chris wants to reduce a triangular pattern with
sides 16, 16 and 20 centimeters. If the longest side
of the new pattern is to be 15 cm, how long should
the other two sides be?
2. Combine like terms.
2. Silvia’s test scores are 86, 78, and 92. What
must she score on her fourth test in order to
have an average of 85 for all four tests
3. Antonio has read at least 11 more books than
Benji. If Benji has read 25 books, at least how
many books has Antonio read?
3. The souvenir model of a Cathedral is 16 inches
tall. If the scale is 2 inches = 30 feet, how tall is
the cathedral?
4. The Anderson family is making preparations for
a party. They figure they will need 12 cans of
soft drinks for every 6 people who attend. How
many cans will the Anderson’s need if they are
expecting 18 people?
4. ABC ~ XYZ . Find the value of x.
A
x
C
X
25
10
6
Z
8
Y
5. Mrs. Drama’s class put on a school play, but
they have a mathematical problem. The play
included three witches. Each witch costume
needed 3 3 yards of fabric for the cape and
4
2 1 yards of fabric for the hat. How much
2
fabric did Mrs. Drama need to buy for the three
costumes in total?

B
5. If w is the length of a room and l is the width,
then l w can be used to find the area of the
room. Find the area of a room with l = 15 ft
and w = 10ft.

Wednesday
1. Evaluate the following expression for the given
values of the variables.
for x = 2 and y = 7
2. Jenni is mixing punch for 18 people. Her recipe,
which calls for 2 &frac12; cups of sugar, serves 12. How
much sugar will she use if she adjusts her recipe to
serve 18?
3. The temperature on the ground during a
plane’s takeoff was –5&deg;F. At 38,000 feet in the
air, the temperature outside the plane was –
40&deg;F. Find the difference between these two
temperatures.
4. The triangles are similar. Find the value of a.
16
20
a
8
5. If you triple the number of times Elizabeth has
cooked dinner for her family and then add 4,
you get the number of times her sister Joy has
cooked the family’s dinner. If Joy has cooked
the family’s dinner 25 times, how many times
has Elizabeth cooked dinner?
Thursday
1. Justin’s father has 15 employees, including
Justin and Abigail. They all make \$5.25 per
hour. The restaurant brought in \$749.54 on
Saturday. If all the employees worked 5 hours,
how much money did Justin’s father have after
paying all his employees? Show your work.
2. What is the algebraic equation for the
statement, “Six times the sum of x and y, plus
five is twenty”?
3. The value of a share of stock was \$42.15 on
Monday. The changes in the value for the week
are listed in the table below. What was the
value of the stock by the end of the day on
Friday?
Changes in the Value of Stock by Day
Day of the Week
Change in Stock Value
Tuesday
-\$0.51
Wednesday
\$1.17
Thursday
-\$0.24
Friday
\$0.63
4. According to the label on a box of pretzels, a
serving is about 1 ounce, or 12 pretzels. 110
calories are contained in each serving. Pete ate
30 pretzels while he watched his favorite TV
show. About how many calories did he
consume?
5. Parallelogram PARL  parallelogram WXYZ. Find
the value of c.
X
A
c
17
P
Y
R
23
L
W
115
Z
```
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