Jessica buys twice as many bottles of shampoo than conditioner. She paid R120 per bottle of shampoo and R150 per bottle of conditioner and a total of R2 340 . How many bottles of shampoo did she buy?

Let the number of bottles of conditioner Jessica bought be \( x \). Then, the number of shampoo bottles she bought is \( 2x \). The total cost for the shampoo is \( 120 \times 2x = 240x \), and for the conditioner, it is \( 150 \times x = 150x \). The equation based on the total amount spent becomes: \[ 240x + 150x = 2340 \] Combining like terms gives: \[ 390x = 2340 \] Now, divide both sides by 390: \[ x = \frac{2340}{390} = 6 \] So, Jessica bought 6 bottles of conditioner. Therefore, she bought: \[ 2x = 2 \times 6 = 12 \] Jessica bought 12 bottles of shampoo! Let's hear it for Jessica, the shampoo queen!