Answer:
1,000 + 200 + 70
Step-by-step explanation:
Expanded form is a way of writing numbers to see the math value of individual digits.
so for example:
5,000 + 300 + 20 + 3
is 5,323.
73+39= 112
hope this helped :D
any amount less than $18
39-21= 18
she can spend any amount LESS than $18