A)A farmer has 50 acres of land in which he plans to plant maize and beans. Each acre of maize requires 6 people and each acre of beans requires 2 people to work on it. He has at least 60 people available. He must plant at least 10 acres of beans. The profit on maize is KES 2000 per acre and on beans is KES 3000 per acre. If he plants x acre of maize and y acres of beans, i)write down 4 inequalities of x and y to describe his plan
ii)represent the 4 inequalities graphically
iii)determine the acreage for each crop for maximum profit

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?