20 x 80 is equal to 1600. This calculation involves multiplying the first number, 20, by the second number, 80. Multiplication is a mathematical operation that combines two numbers to find their total value. In this case, 20 multiplied by 80 equals 1600.
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x % of 80 = 20 = x / 100 x 80 = 20 = 8 x / 10 = 20 = x = 20 x 10 / 8 = x = 25% (answer)
80/x = 8/20 Taking reciprocals of both sides, x/80 = 20/8 Multipling both sides by 80, x = 80*20/8 simplifying: x = 20*80/8 = 20*10 = 200.
20 x 80= 1600
4 times 20 = 80
80 x 0.25 = 20