700 tickets to the school play were sold by students. Meryl sold 56 tickets. What percent of the tickets did Meryl sell?

Ineed me i stuck and i don’t want to get it wrong

Rosa and lisa ade practicing free throws on the basketball court. so far, rosa has made one-and a-half times as many free throws as lisa. what is the unit ratio of rosa's free throws to lisa's free throws?

Can someone answer and tell me how to do this (will mark brainliest)