Answer :
Answer:
$3.5
Step-by-step explanation:
Give data
Total amount brought to store=$20
Cost of sock=$2.25
Total cost of 4 socks= 2.25*4=$9
cost of belt=$7.5
total expenses made= total cost of 4 socks+ cost of belt
= 9+7.5= $16.5
The change she will recieve is= Total amount -total expenses
=20-16.5
=$3.5
Therefore the change is $3.5