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1. |
Solve the formula I = prt, if p = 525, r = 0.04, and t = 2. |
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A. |
42 |
B. |
210 |
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C. |
21 |
D. |
420 |
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Hint |
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2. |
George and a group of his friends are going to a baseball game. Tickets cost $12 apiece and a program costs $5. If George and his friends go to the game and only George buys a program, write an expression for the total amount that George and his friends spent at the game. Use t for the number of tickets bought. |
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A. |
5(t + 12) |
B. |
5t + 12 |
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C. |
12t + 5 |
D. |
12(t + 5) |
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Hint |
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3. |
A CD rotates in a CD player at about 350 revolutions per minute. How many revolutions would the CD have made after h hours? |
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A. |
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B. |
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C. |
21,000h |
D. |
350h |
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Hint |
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4. |
Find an explanation for the expression s + 3. |
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A. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 new students join the class. |
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B. |
If s is the number of sunny days, s + 3 is the number of sunny days 3 years ago. |
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C. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 students leave the class. |
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D. |
If s is the number of sunny days, s + 3 is the number of sunny days in March, the third month of the year. |
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Hint |
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5. |
Find an explanation for the expression 5a + 3. |
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A. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 3 anchovy pizzas with a delivery fee of $5. |
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B. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the price of 8 anchovy pizzas. |
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C. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 5 anchovy pizzas with a delivery fee of $3. |
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D. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 5 anchovy pizzas with a delivery fee of $8. |
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Hint |
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