Question: An office has 90 workers. 2/3rds of them are men and the rest are women. The company hires 10 new employees and 100% of them are women. What is the total percentage of women in the company now?
Answer with step-by-step thinking: 1 / 3rd of the workers before the new hires were women because 1 - (2 / 3) = 1 / 3. There were 30 women working for the company before the new hires. There are now 40 women working for the company because 30 + 10 = 40. There are 100 people working for the company because 90 + 10 = 100. The proportion of women working in the company is .4 because 40 / 100 = .4. The percentage of women working in the company is now 40 because .4 x 100 = 40.
So the answer is 40.

Question: The post office receives 60 letters and 20 packages per day. How many pieces of mail does it handle in six months if all the months have 30 days?
Answer with step-by-step thinking: First find the total number of pieces of mail the post office receives per day: 60 letters + 20 packages = 80 pieces of mail. Then multiply the daily amount of mail by the number of days per month: 80 pieces / day * 30 days / month = 2400 pieces / month. Then multiply that number by 6 to find the total number of pieces of mail handled: 2400 pieces / month * 6 months = 14400 pieces.
So the answer is 14400.

Question: In San Diego Zoo, the lion consumes 25 kilograms of meat, and the tiger consumes 20 kilograms of meat per day. If they have 90 kilograms of meat, how many days will the meats last?
Answer with step-by-step thinking:
The lion and tiger's daily consumption of meat is 25 + 20 = 45 kilograms. Therefore, their supply of meat will last for 90 / 45 = 2 days.
So the answer is 2.