Scott spends $250 for a lawn mower, but earns $25 a week mowing lawns. how much profit will he have after 20 weeks?
a.
$225
b.
$500
c.
$25
d.
$250

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.