Can you guys please check my work? I have no idea if I'm doing it right, especially part C

1. 94.75
explanation: This is the price she will pay. you are on the right track, the number that you found is 75% of 379. so if the sale is 75% OFF, you subtract that number from the original to find what she will pay.
2. I’m honestly having a brain fart here because it is worded so poorly, if it’s an ADDITIONAL 50% off of the original 75% off, they paid her 39.75 to give her the boots, which makes no sense.
taking off only 75% of the cost: 119.25 —> 39.75 paid
taking off only 50% of the cost: 79.5 paid

The second step on the test was the move he was supposed to

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table