Question

HELP:::FREE MEDALAlex is saving money because she would like to purchase the new video gaming system that everyone has been talking about. After two weeks of saving, she had $47. After 24 weeks of saving, she had $430. Approximately how many dollars per week did Alex save on average between weeks 2 and 24?
$15.96 per week
$17.41 per week
$17.91 per week
$19.88 per week

Answer 1

????

Answer 2

same as the one before with the "books donations"

how much did she save in the 2nd week?
how much did she save in the 24th week?

what's the difference in between?

Answer 3

multiply 430*47??

Answer 4

or subtract??