The drug store is having a sale where all merchandise is 1/4 off. a woman buys $30 of merchandise at a sale price. what would she have had to pay at the regular price?

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points