Zuma was earning $9.40 per hour when she got a 6% increase in pay. what was her rate of pay after the increase

How do i do this activity, is appreciated

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Ineed to know the answer to this algebra question.