For 15 weeks, sue put the same account of money jar . then she took $9 out to spend on a friends birthday present. she had $21 left . how much did she put in each week ?

two dollars

Step-by-step explanation:

Add the 9$ to the $21

divide the $30 by the 15 weeks.

get a weekly avarage of $2

960$

Step-by-step explanation:

First you want to find out how much money she makes per hour by doing 840/35. That equals 24, so now you multiply it by the amount of hours for this week. 24*40= 960$.

Hope this helps :D