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87*5 = (90-3)*5 = 90*5 - 3*5 = 9*5*10 - 3*5 = 45*10 - 15 = 450 - 15 = 435.

That is a overly detailed description of how I would do it.

87*5 = (90-3)*5 = 90*5 - 3*5 = 9*5*10 - 3*5 = 45*10 - 15 = 450 - 15 = 435.

That is a overly detailed description of how I would do it.

87*5 = (90-3)*5 = 90*5 - 3*5 = 9*5*10 - 3*5 = 45*10 - 15 = 450 - 15 = 435.

That is a overly detailed description of how I would do it.

87*5 = (90-3)*5 = 90*5 - 3*5 = 9*5*10 - 3*5 = 45*10 - 15 = 450 - 15 = 435.

That is a overly detailed description of how I would do it.

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โˆ™ 11y ago
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โˆ™ 11y ago

87*5 = (90-3)*5 = 90*5 - 3*5 = 9*5*10 - 3*5 = 45*10 - 15 = 450 - 15 = 435.

That is a overly detailed description of how I would do it.

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Q: What is 87 times 5 in mental math?
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What is 10 times 5 with mental math?

50 what's "mental math" supposed to mean? if it just means you did it in your head, then there is no difference between mental and regular math, except that it is harder to check your work.


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How do you find 50 times 90 using mental math?

5*9 = 45 so 50*90 = 4500.


How many times can 15 go into 87?

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To determine how many times 5 goes into 87, we perform the division operation 87 รท 5. The quotient is 17 with a remainder of 2. Therefore, 5 goes into 87 a total of 17 times with a remainder of 2.


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16)87 == 5 remainder '7'.


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Oh, what a happy little math problem we have here! To find out what times what times what equals 125, we can break it down gently. If we think of 125 as 5 times 5 times 5, we can see that 5 times 5 is 25, and then 25 times 5 is 125. Isn't it wonderful how numbers can come together to create such harmony?