I brownie recipe ask for 2 1/4 times as much sugar chocolate chips if one and 1/2 cups of sugar is used what quantity of chocolate chips with then we need it according to the recipe

2 1/4 as much sugar as chocolate chips.
1 1/2 of sugar used
cups of sugar / chocolate chips
[tex]\frac{2\text{ 1/4}}{1}=\frac{1\text{ 1/2}}{x}[/tex][tex]x\cdot2\text{ 1/4 = 1 }\cdot\text{ 1 1/2}[/tex][tex]x=\text{ 1 1/2 / (2 1/4)}[/tex]x = 2/3