After changing the amount of time he works, Luke has begun earning a salary of 115,771. That is 45.5% less than before. How much did Luke's salary use to be?

Lời Giải

After changing the amount of time he works, Luke has begun earning a salary of 115, 771. That is 45.5% less than before. How much did Luke's salary use to be?

Lời Giải

Amount before reduction : 212423.85321 \dots

Các bước giải pháp

Translate the problem into an equation:

115771 = x - 0.455 x

115771 = x - 0.455 x : x = \frac{23154200}{109}

\frac{23154200}{109} = 212423.85321 \dots

Amount before reduction : 212423.85321 \dots

Ví dụ phổ biến

Twenty-five decreased by one fifth of a number is 18 . Find the number.twice the hiệu of a number and 8 is greater than 25.30 subtracted from three times a number is 4 more than the number. Find the number.Fine the largest of two consecutive even integers such that three times the larger added to the smaller is 54 The sum of three consecutive odd integers is 75 . Find the value of the middle of the three.