Tamar needs to make at least 84 dollars at home at home on tuesday to afford dinner and and a movie she makes $14 an hour at her job. how many hours does she need to work on tuesday.

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