Answer:
$15.60
Explanation:
We can solve this problem easily by adding up Miguel's expenses, and then subtracting them from the amount he started with. Be careful, as he pays $4, not $2, in total for bus fare, because he is paying $2 to and from:
![6.75+3.65+4.00](https://img.qammunity.org/2021/formulas/mathematics/high-school/r14qnp80g0nv35fwcii8lb8883ur1y86f9.png)
![=14.40](https://img.qammunity.org/2021/formulas/mathematics/high-school/9xzg40e7hf678kmhvg9q99r8dox8hk0dum.png)
Let's subtract our sum,
, from our total,
:
![30-14.40](https://img.qammunity.org/2021/formulas/mathematics/high-school/f5syy2bj2n79w51a146kdc0t56lhw4d18p.png)
![=15.60](https://img.qammunity.org/2021/formulas/mathematics/high-school/ld6cx2v8uhg5gatsv57koact3rwmtm86nd.png)
Miguel has $15.60 left.