Find the equation: 7 times a number is the largest 2-digit even number. What is the number?
7m = 98
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15
Solve the equation: 200 = 157 + d
d = 43
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15
Find the equation: Mr Chan drank 1.5 L of water. There is 660 mL of water left. How much water did he have originally?
a - 1.5 = 0.66 (answer in L) or a - 1500 = 660 (answer in mL)
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15
Solve the equation:18 / c = 27
c = 2/3
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15
Find the equation: The length of a rectangle is 1 m. The area of the rectangle is 200 square centimetre. What is the width of the rectangle?
100a = 200 (answer in cm) or 1a = 0.02 (answer in m)
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15
Find the assumption statement: Ken has $e. After spending $161 on books, he has $178 left. How much does he have originally?
Let $a be the amount of money he has originally.
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15
Solve the equation:p - 0.25 = 1.05
p = 1.3
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15
Find the equation: The height of a parallelogram-shaped grassland is 6 m and its area is 54 square metre. What is its base?
6a = 54
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15
What is the assumption statement: A fruit market sold 72 kg of apples and 143 kg of apples are left. How many kilograms of apples were there in the fruit market originally?
Let a kg be the weight of apples in the fruit market originally.
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15
38 + b + 12 = 150, what is b?
b = 100
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15
What is the assumption statement: Divide a number by 36. The result is 11. What is the number?