It looks as though there are 25 21-40 year-olds. 40% of 25 is 10, this is the amount that are AGAINST the increase. Therefore the ones in favor for the increase must be 25 - 10 = 15.
You should be able to follow the same process to get the 41-60 year-olds against an increase. Just be sure to read the given information carefully
Answer:
because length is same I hope it will help you please follow me
3k + 10 = 22
3k = 22-10
3k = 12
k = 12/3
k = 4
-12+5
for -12.34,we take it as -12
for -4.8,we take it as -5
to measure the difference,here's what you need to do
-12-(-5)
=-12+5
thus the ans is -12+5
hope it helps
