What is 1/20 multiplied by 23 as a mixed number

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

I’m really confused and need your assist me with this question i’ve never been taught

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?