Must be right to get brainlist

Write a story that matches with the expression 42x-5 pls hurry

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

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.