Q12861: What is: 32 + 7 + 21?
Answer: 60
💡 32 + 7 = 39, then 39 + 21 = 60.
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Answer: 60
💡 32 + 7 = 39, then 39 + 21 = 60.
Answer: 96
💡 54 + 28 = 82, then 82 + 14 = 96.
Answer: 83
💡 18 + 22 = 40, then 40 + 43 = 83.
Answer: 65
💡 20 + 21 = 41, then 41 + 24 = 65.
Answer: 54
💡 9 + 18 = 27, then 27 + 27 = 54.
Answer: 111
💡 50 + 33 = 83, then 83 + 28 = 111.
Answer: 660
💡 The ones digit is less than 5, so we keep the same ten
Answer: 900
💡 The ones digit is less than 5, so we keep the same ten
Answer: 870
💡 The ones digit is 5 or more, so we round up
Answer: 150
💡 The ones digit is 5 or more, so we round up
Answer: 410
💡 The ones digit is less than 5, so we keep the same ten
Answer: 680
💡 The ones digit is 5 or more, so we round up
Answer: 510
💡 The ones digit is less than 5, so we keep the same ten
Answer: 380
💡 The ones digit is less than 5, so we keep the same ten
Answer: 520
💡 The ones digit is 5 or more, so we round up
Answer: 60
💡 The ones digit is less than 5, so we keep the same ten
Answer: 70
💡 The ones digit is less than 5, so we keep the same ten
Answer: 750
💡 The ones digit is 5 or more, so we round up
Answer: 570
💡 The ones digit is less than 5, so we keep the same ten
Answer: 120
💡 The ones digit is 5 or more, so we round up