The price of an item yesterday was $140 today the price is $343 what’s the percentage increase

145% increase

Step-by-step explanation:

1)  343 - 140 = 203

2) 203/140 = 1.45

3) 1.45 x 100 = 145

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)