In linear equation, 162 is his new weight .
What in mathematics is a linear equation?
A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept.
Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.
Mr. Miller weigh = 180pound
10% decrease = 180 * 10/100
= 18
new weight = 180 - 18
= 162
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