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1. |
EASY
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A number doubled plus one is 29. Find this number via guess and check.
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2. |
MEDIUM
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Find a number that is 15 less than 109 via guess and check.
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3. |
MEDIUM
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The sum of twice a number and 16 is 36. Find this number via guess and check.
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4. |
MEDIUM
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21 more than double a number is 99. Find this number via guess and check.
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5. |
HARD
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Yves made 3 pies. There were 3 slices in each strawberry pie and 4 slices in each cherry pie. If Yves made 10 slices of pie in total, how many of each type of pie did he make?
- 1 strawberry, 1 cherry
- 1 strawberry, 2 cherry
- 2 strawberry, 1 cherry
- 3 strawberry, 0 cherry
- 0 strawberry, 3 cherry
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