1.  David earned 10¢ every day during May. How much did he earn in total?

$___.____ 
2.  Tom earned 20¢ every day during September. How much did he earn in total?

$___.____ 
3.  Ken spent 75¢ on cookies every Monday during October.
How much did he spend in total? 
$___.____ 
4.  Ken spent 70¢ on tomatoes every Saturday during November.
How much did he spend in total? 
$___.____ 
5.  In November, Tom earned $2.05 by doing household chores. He spent $1.60 of it.
How much did he have left? 
$___.____ 
6.  In June, Erin earned $4.55 by doing household chores. She spent $3.30 of it.
How much did she have left? 
$___.____ 