parcek a has a mass of 5/3 kg. patcel b is 1/2 kg heavier than parcel a. find the total madd of parcel a and parcel b

a = 5/3 kg

b = a + 1/2 kg

total mass
a + b
= a + a + 1/2
= 2a + 1/2
= 2(5/3) + 1/2
= 10/3 + 1/2
= 20/6 + 3/6
= 23/6 kg
= 3 5/6 kg