0.27 is less than 0.33 :)
20. Divide 180 students by the 9 rows you get 20 students. 20X9=180
4.89*4=19.56
1.69*4=6.76
19.56+6.76=26.32
30.00-26.32=3.68
They will receive $3.68 from$30
Hope this helps!
Think of fractions as an equation for a decimal. So treat it as such.
32/75=0.427
3/11=0.28
-5/8=-0.625
-7/10=-0.7
21/7=3
-179/99=-1.81
