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Math 003

1: If (r)(r) + (v)(v) = 0, what is the value of 3r+5v?

15
0
10
4
9

2: If -2(7 + x - 4) = -10, then x = ____?

4
2
-1
0
-5

3: -(1/6)(1/5) + (1/6)(1/6) = ___?

-1/36
-1/6
1/160
1/24
-1/180

4: The value of 5x + 6y will be the lowest for which of the follow x and y values?

x = 2, y = 4
x = 0, y = 6
x = 3, y = 2
x = 4, y = 3
x = 1, y = 5

5: Jose deposits 500 dollars into a bank account that earns 5% interest compounded annually. If Jose makes no additional deposits or withdrawals, how long will it take for his money to double?

15
7
14
32
10

6: Six ounces of chocolate are required to make one tray of sweets. How many ounces of chocolate are needed to make enough sweets to fill 12 boxes, if each box holds 1.5 trays?

32
106
55
108
60

7: At the very most, how many of five integers could be negative if the product of the five integers is negative?

Five
Three
Two
Four
One

8: There are three robots in a room. One robot moves every 8 minutes, another robot moves every 10 minutes, and the third robot moves every 12 minutes. All the robots moved together at 1:00 am. When is the next time the three robots will move together?

3:00 am
6:00 am
2:00 am
7:00 am
9:00 am

9: If the width of a rectangular piece of paper is decreased by 20 percent and the length is increased by 30 percent, what will be the percentage increase in the area of the piece of paper?

9%
21%
12%
4%
38%

10: Let's assume that Cathy eats her meals faster than Tom but slower than Mindy. If C, T, and M represent each of their respective eating speeds, which of the following is true?

C < T < M
T < M < C
M < C < T
C < M < T
T < C < M

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