Q: How do you work out 63 x 87?

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87-63 = 24

24 + 63 = 87

63 21,3 7,3,3 3 x 3 x 7 = 63

Multiply 90 x .63= 56.7 is 63% of 90

x2-2x = 63 x2-2x -63 = 0 => x = -7 or x = 9 So x must = 9 Check: 92-18 = 63

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87-63 = 24

24 + 63 = 87

63 21,3 7,3,3 3 x 3 x 7 = 63

Multiply 90 x .63= 56.7 is 63% of 90

x2-2x = 63 x2-2x -63 = 0 => x = -7 or x = 9 So x must = 9 Check: 92-18 = 63

Take any multiple of 87, and you get a number that is divisible by 87 - for example:87 x 0 87 x 1 87 x 2 87 x 3 ... 87 x (-1) 87 x (-2) ...

1827

Just multiply 87 by any integer! For example, the result of each of the following calculations will give you a multiple of 87: 87 x 0 87 x 1 87 x 2 87 x 3 87 x 4 87 x (-1) 87 x (-2) etc.

because "of" means to multiply, you would just type 63% x 84 or convert 63% into a decimal and do .63 x 84 either way you would get 52.92

87 - 39 = 48

63 x 63 = 3969

1 x 87, 3 x 29 = 87