Free Exam: 06ChTarget
Number of Questions in Test: 8
Number of Questions in Preview: 5
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Brass is an alloy created using 80% copper and 20% zinc. If Henri's brass trumpet contains 48 ounces of copper, how many ounces of zinc are in the trumpet?
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |
Question 2
In the maze below, a player may only move toward the right. At each junction the player chooses a path that includes an operation (+ or -) and then a number. The player keeps a running total of her score throughout her journey, starting with 7, and she may only choose among paths that keep her score between 2 and 14 points at all times. After performing four operations and ending at the 5, what is the lowest score with which she can finish?
[img]http://danb80.com/tmp/06ChTg2.jpg[/img]
[img]http://danb80.com/tmp/06ChTg2.jpg[/img]
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |
Question 3
In the figure below, side AE of rectangle ABDE is parallel to the x-axis, and side BD contains the point C. The vertices of triangle ACE are A(1, 1), C(3, 3) and E(4, 1). What is the ratio of the area of triangle ACE to the area of rectangle ABDE? Express your answer as a common fraction.
[img]http://danb80.com/tmp/06ChTg3.jpg[/img]
[img]http://danb80.com/tmp/06ChTg3.jpg[/img]
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |
Question 4
The European equivalent of 8 1/2" by 11" paper is called A4 paper, and its dimensions are 0.21 meters by 0.297 meters. What is the greatest total area, in square meters, that can be covered by 21 sheets of rectangular A4 paper? Express your answer as a decimal to the nearest tenth.
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |
Question 5
The arithmetic mean (or average) of A, B and C is 10. The value of A is six less than the value of B, and the value of C is three more than the value of B. What is the value of C?
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |