Louisa has $145 saved in her account. She makes $8 an hour at work. How many hours must she work to have at least $320?

Verified Answer :

$145 saved in her account.
$8 an hour at work.
at least $320

320 - 145 = 175

175 
÷ 8 = 21.875

Louisa needs to work about 22 more hrs to have at least $
320!