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5B Google meet (11/5)
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Write an equation to record: The length of a rectangle is b cm and its width is 15 cm. Its area is 105 square cm.
15b = 105
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Solve the equation: p / 5 = 75
p = 15
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Solve the equation: h - 36 = 40
h = 76
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Write an equation to record: b eggs are divided into boxes of 12 equally. There are 28 boxes of eggs.
b/12 =28
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If y + 3 = 9, then y - 3 =?
y + 3 = 9, y = 6, y - 3 = 6 - 3 = 3
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Write an equation to record: There are 11 lions and k tigers in a zoo. There are 30 lions and tigers altogether in the zoo.
11 + k = 30
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Solve the equation: 8b = 56
b = 7
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Write an equation to record: The hourly wage of Mrs Chan is $p. She worked 72 hours this month and got $4320.
72p = 4320
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Solve the equation: 15 + y = 68
y = 53
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Write an equation to record: Karl spent $30 each day. The total amount he spent in n days is $180.
30n = 180
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Write an equation to record: Ceci saved $80 last week. She saves $h less this week. She saves $60 this week.
80 - h = 60
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Which of the following is/are equation?
C. Equation must contain an equal sign and with algebraic symbols.
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