Suppose you write a book. The printer charges $4 per book to print it, and you spend $3500 on advertising. You sell the book for $15 a copy. How many copies must you sell so that your income from sales is greater than your total cost?
15x > 4x + 3500, x>318.18, 319 copies or more
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15
xâĪ6
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15
What is the greatest possible integer solution of 43x < 680?
15
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20
14 - (9x - 2) < -x + 30
x>-7/4 or x>-1 3/4
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25
On her last two math tests Natalia had scores of 83 and 90. Write and solve an inequality to determine all the possible scores Natalia can score to average at least 90 on three tests.
At least 95%
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25
Liora needs a total score of at least 627 on three games of bowling to break the league record. Suppose she bowls 222 on her first game and 194 on her second game. What score does she need on her third game to break the record?
211 or more
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eraser
Reset score!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
banana
Go to last place!
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25
For lunch Chase has a hamburger and potato chips. The burger has 380 calories and each chip has 12 calories. How many chips can Chase eat if he wants the total calories to be less than 600?
18 or less chips
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20
Translate and Solve: five less than the quotient of a number and 3 is no less than 9.