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The answer is 10 meters.
x+8+x/5 = 20 x = 10
1.43 is the percent of 130 increased by 10.
So the original number was greater than 8...
3x+30let x = "a number"(x+10) = "a number increased by 10"3(x+10) = "3 times a number increased by 10"Expand: 3x+30