PLEASE HELP WITH AND EXPLANATION

Mariah is shopping at the mall for a sweatshirt She finds a sweatshirt that is
marked down 55% of the original price of the sweatshirt is $78.25. What is the
sale price of the sweatshirt?

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120