Download Course 2 Test 15 Study Guide 1) Write a proportion to solve this

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Course 2 Test 15 Study Guide
1) Write a proportion to solve this problem. If 12 math books weigh 40 pounds, how much would 18 weigh?
2) What is the average of the 2 numbers marked by arrows in the number?
10 cm
3) What is the perimeter of the trapezoid?
10 cm
8 cm
4) What is the area of the trapezoid?
16 cm
5) Nine squared is how much greater than the square root of 9?
6) Use a ratio box. Four hundred eighty students attended the pep rally. If the ratio of boys to girls was 7 to 5,
how many boys attended the pep rally?
7) Convert 2.5 meters to millimeters (1 m = 1000 mm).
8) In the first fourth of the season, the team played 15 games.
(a) How many games did the team play during the whole season?
(b) If the team won 80% of their games during the whole season, how many games did they win?
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10) One eighth of what number is 200?
9) Sixty-nine is three fifths of what number?
11) Simplify:
(a) -10(-3)
(b) 7(-9)
(c)
−15
−3
(d)
12) If each edge on a cube measures to be 6 inches, what is the volume of the cube?
13) Find the circumference of each circle:
a) Use
22
7
as 𝜋.
b) Leave 𝜋 as 𝜋.
14 in
10 m
14) Complete the table:
Fraction
5/6
c)
15) Evaluate: 7𝑚 + (𝑚2 − 𝑚𝑦),
16) Solve:
4
𝑎
5
= 80
18) (−8) − (−7) + (−11)
Decimal
Percent
a)
b)
0.35
d)
where 𝑚 = 10 𝑎𝑛𝑑 𝑦 = 5
17) Solve:
1
x + 4.3 = 11
2
1
19) 3 3 ÷ (2 3 + 1 2)
24
−8