To make it easier, multiply 4 by 8 first, then multiply again by 100.
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50 x 8½
300 x 40 = 12000 300 x 8 = 2400 50 x 40 = 2000 50 x 8 = 400 7 x 40 = 280 7 x 8 = 56
Well, isn't that a happy little math problem! If you take 400 and divide it by 8, you'll find that the answer is 50. So, 8 times 50 equals 400. Just like painting a beautiful landscape, sometimes all it takes is a little bit of patience and calculation to find the right answer.
To find a cube number between 400 and 600, we need to calculate the cube root of the two limits. The cube root of 400 is approximately 7.37, and the cube root of 600 is approximately 8.66. Therefore, the cube numbers between 400 and 600 are the cubes of integers between 8 and 7, inclusive. The cube of 8 is 512, which falls within the range specified.
The thickness does not enter into the calculation (400)/(4x32) = 100/32 = 25/8 = 3 and 1/8 No one would sell you 3 and 1/8 boards, hence buy 4 boards
To find the percent of a number, you have to make a ratio. 8 x 400 = 100 You have to cross multiply: 800=400x and divide. 800/400=x 2=x 2% of 400 is 8.
50 x 8 = 400 So there are 8 50s in 400.
50 x 8½
400 x 80 = 4 x 100 x 8 x 10 = 4 x 8 x 1000 = 32000
400 = 1 x 400 400 = 2 x 200 400 = 4 x 100 400 = 5 x 80 400 = 8 x 50 400 = 10 x 40 400 = 16 x 25 400 = 20 x 20
400 is the LCM. 8 x 50 = 400 20 x 20 = 400 16 x 25 = 400 100 x 4 = 400
Simple interest 400 + (4 x 5 x 8) = 400 + 160 = 560; Compound interest 400 x 1.085 = 400 x 1.47* = 588. *Actually the multiplier is 1 .469
Possibly 400' x 400' x 8'
8/2 x 100 = 400 Therefore, 8 is 400 percent of 2.
80 x 5 = 400 Think 8 x 5 = 40 Since there is a zero on '8' as '80', then plce one zero on '40' to make '400'.
50 x 8
The factors of 400 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, and 400. The factor pairs of 400 are 1 x 400, 2 x 200, 4 x 100, 5 x 80, 8 x 50, 10 x 40, 16 x 25, and 20 x 20.