Is the sentence Equivalent or non equivalent 12:24,50:100

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1