If I have 3 apples and my brother took 2 away how many apples will I have?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Write the equation in logarithmic form e^x=403.429

X+y=-4 x-y=2 use elimination with adding and subtraction