Convert minutes and seconds to minutes:
[tex]\text{3 mins 45 seconds} \longrightarrow 3 \dfrac{3}{4} \text{mins}[/tex]
FInd 3 3/4 mins:
[tex]\text{1 min} \longrightarrow 28 \text{ copies}[/tex]
[tex]3 \dfrac{3}{4} \text{ min} \longrightarrow 28 \times 3\dfrac{3}{4} \text{ copies}[/tex]
[tex]3 \dfrac{3}{4} \text{ min} \longrightarrow 28 \times \dfrac{15}{4} \text{ copies}[/tex]
[tex]3 \dfrac{3}{4} \text{ min} \longrightarrow 105 \text{ copies}[/tex]
Answer: It can make 105 copies.
