Plis jawab pake cara ya guys

b. 0,5 + 1/3 x 25% = 0,5 + 1/3 x 1/4 = 6/12 + 1/12 = 7/12

c. 0,5 + 1/3 :  25% = 0,5 + 1/3 x    4 = 5/10 + 4/3   = 15/30 + 40/30 = 55/30 = 1 25/30 = 1 5/6

SEMOGA MEMBANTU :)