120
12
Since 12=10+2 We first multiply 7 by 10 to get 70 and then 7 by 2 to get 14 adding these gives us our final answer: 84
12 10 10 10
One trick for multiplying by 12 is to multiply the number by 10 and then add two times the number. For example, if you want to multiply 7 by 12, first multiply 7 by 10 to get 70, and then add 7*2=14 to get 84.
3 6 4 8 6 12 10 20 18 36 34 68 Multiply 3 by 2 to get 6 Subtract 2 to get 4 Multiply 4 by 2 to get 8 Subtract 2 to get 6 Multiply 6 by 2 to get 12 Subtract 2 to get 10 .... Got it?
12
Multiply -10 times 12 = -120
10 explanation: from 60 to 30 you multiply by 1/2 from 30 to 20 you multiply by 2/3 from 20 to 15 you multiply by 3/4 from 15 to 12 you multiply by 4/5 from 12 to 10 you multiply by 5/6
Since 12=10+2 We first multiply 7 by 10 to get 70 and then 7 by 2 to get 14 adding these gives us our final answer: 84
34
12 10 10 10
-22
the tenth multiple of 12 is 120. you multiply 10 by 12 and you get 120.
One trick for multiplying by 12 is to multiply the number by 10 and then add two times the number. For example, if you want to multiply 7 by 12, first multiply 7 by 10 to get 70, and then add 7*2=14 to get 84.
This is simple math -- multiply 11.29 by 10 to get the lowest time, then multiply by 12 to get the longest time!
12
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