Answer:
i think the 2nd one is correct .. i have not fluent in english to explain the answer.
To find the difference between these numbers you need to subtract 8.3 - 3.9
and that equals 4.4<span />
Answer: The expression representing the amount of money spent is
by Emily.
Step-by-step explanation:
Since we have given that
Let the cost price of per pair of sandals be 's'
Let the cost price of per pair of boots be 's+30'.
Number of pairs of boots = 2
Number of pairs of sandals = 3
Total cost would be

Hence, the expression representing the amount of money spent is
by Emily.