tlong ya kak nmor 15 dn 16 jngan lpa pke cranya jga

15) 55/125 = 44/a
55 × a = 44 × 125
55 a = 5500
a = 100

16) 72/120 = 30/a
72 × a = 120 × 30
72 a = 3600
a = 50