Answer please ❤️. All answers

17) 220÷10 - 8 + 2 x 7
= 22 - 8 + 14
= 36 - 8
= 28

19) 4/9 ÷ 8/15
= 4/9 x 15/8
= 4/8 x 15/9
= ½ x 15/9
= 15/18
= 5/6