Tolong jawaban beserta caranya ya

x = (15 × 52) + (25 × 48) / (15 + 25)

x = 780 + 1200 / 40

x = 1980 / 40

x = 49,5 kg

(15×52)+(25×48):(25+15)
(780 + 1200) : 40
1980 : 40
49,5kg