The answer is 70.
70 + (0.90 x 70) =
70 + 63 =
133
You can also solve this by:
133 / 1.90 = 70
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1.25x = 120 ∴5x/4 = 120 ∴5x = 480 ∴x = 96
200
Answer:We need to find a number which increased by 3.5 of itself equals 621.Let that number be x.x increased by 3.5 of itself equals 621 implies x+ 3.5x = 621.x(1+3.5) = 621x(4.5) = 621x = 621/4.5x = 138Therefore the required number is 138.Source: www.icoachmath.com
83.6/1.045 = 80
There is no such number.