Ibu dani membeli beras 15 kg, gula 2 pon diwarung pertama.kemudian bu darni belanja lagi diwarung kedua dgn membeli kentang 15 ons. Total berat belanjaan bu dar

1 kg = 1000gram
15kg = 15000gram

1 pound = 453,592gram
2 pound = 907,185gram

1 ons = 28,34 gram
15 ons = 425,243 gram

total berat =
15000 + 907,185 + 425,243

= 16332,428 gram

maaf kalau salah. semoga dpt membantu :)