Bantuu Jawabb Yaa kak

[tex]15. \: diketahui \\ - kain \: 1 = 3.2 \times 100 = 320 \: cm \\ - kain \: 2 = 275 \: cm \\ - sisa \: kain = 7.5 \times 10 = 75 \: cm \\ jawab \\ kain \: 1 + kain \: 2 - sisa \: kain \\ = 320 + 275 - 75 \\ = 520 \: cm[/tex]