Kofi and kweku are two brothers. Kofi is older than kweku. Given that kofi's age is (5x-4) years and kweku's age is (2x+1) years
. a. write down an expression, interns of x,for how much old is Kofi than kweku. b. if Kofi is tens years older than kweku, find the value of x and the ages of Kofi and kweku