11. On the first of the month the balance of Amelia's saving account was $60. She plans
to deposit $20 each week until she has
at least $475 saved. Write and solve an
inequality to represent the situation.
How many deposits does she need to make
to reach her goal?

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.