Answer:

Step-by-step explanation:
Remark
11 and 3 are both prime. So the common denominator is 33


Answer:
$60
Step-by-step explanation:
30 ÷ 0.50 = 60
Answer: 1) 4.22*4.39=18.5258
2)385.3*9.68=3729.704
3)8.5*3.58=30.43
4)1844/4.63=398.272138
5)13.21*2.28=30.1188
6)1454/20.32=30.1188
7)26.56*52.21=1386.6976
8)421.44*5.63=2372.7072
I think the answer is 49 because if you add 17 and 23 you get 40 then subtract 40 from 89 you get 49. I hope this helped!