The amount of money earned, A
, is directly proportional to the number of hours worked,
w
.
Write down a formula, using
k
, connecting the amount earned and the number of hours worked.

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

Need solving this 2nd limit problem.