When a number is decreased by 53%, the result is 30. What is the original number to the nearest tenth

on your paper it doesn't say the answer but the the answer is altitude

step-by-step explanation:

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)

simple 80 pieces in 1 sercing so 80*47=3760+20=3780