Well I'm still trying to solve the first question so I'll tell you the other answers
the answer for the second question is :

and for the third question :
Answer:
YES
Step-by-step explanation:
$157+$210+$377+$145=$889
$695+$95=$790
Leftover
$889-$790 =$99
he would have $99 leftover
3.2/64 is .05 rounded to the nearest 10th is .1