A small group has $100 to spend for lunch. The group decided to give a tip of 20% (before tax). The sales tax is 7.5%. How much should they spend? Click to Show/Hide Solution \[ x + 0.20x + 0.075x = 100 \] \[ 1.275x = 100 \] \[ x = 78.43 \leftarrow \text{answer} \]