17. Billy mixed blue paint with red paint in a ratio of 4:3 to obtain purple paint. How much blue paint should
he mix with 15 pints of red paint?
18. If 4 workers can do the job in 6 days, how long will it take 12 workers to do the job?
19. The sum of two numbers is 80. Find the smaller number if the ratio is 3:5.
20. The ratio of boys to girls in the dass is 2:4. If there are 54 pupils in the dass, how many are girls?
rent's name and signature​