5. a survey indicated that 3 out of 5 doctors use brand x aspirin. if 2000 doctors were surveyed, how many used brand x

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

Could someone me with this question i’ve been stuck on it for 20 minutes