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

Assume that a population of 50 individuals has the following numbers of genotypes for a gene with two alleles, b and b: bb = 30, bb = 10, and bb = 10. calculate the frequencies of the two alleles in the population’s gene pool.

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

Pls brainliest will be awarded if answer is correct