Tolong dibantu ya kak,terima kasih

1. 85 + (-2 × 9) - (-24 :4)
= 85 + (-18) - (-6)
= 67 + 6
= 73 (a)

2. hari ➡ orang
16 24
12
= 16
.... × 24
12
= 32 - 24
= 8 orang (c)