Apublic opinion survey is administered to determine how different age groups feel about an increase in the minimum wage. some of the results are shown in the table below. for against no opinion 21 - 40 years 20 5 41 - 60 years 20 20 over 60 years 55 15 5 the survey showed that 40% of the 21 - 40 year-olds surveyed are against an increase, and 15% of the entire sample surveyed has no opinion. how many 21 - 40 year-olds surveyed are for an increase? (blank) how many 41 - 60 year-olds are against an increase? (blank)