Answer :
He made 6 roses every 2 tulips, so we can made a rule of 3 to find hou many roses he does if he did 6 tulip
[tex]\begin{gathered} 6\to2 \\ x\to6 \end{gathered}[/tex]sot he rule of 3 will be:
[tex]x=\frac{6\cdot6}{2}=\frac{36}{2}=18[/tex]So he can made 18 rose bouquets