Need help ASAP please and thank you

For how answer my question this will be the last question can you answer in math subject

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jame pay at the end?