Determine which statements are true or false

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?