Gavin, Harry and Isabel each earn the same monthly salary. Each month, Gavin saves 28% of his salary and spends the rest of his salary. Harry spends 3/4 of his salary and saves the rest of his salary. The amount of salary Isabel saves : the amount of salary she spends = 3:7. Work out who saves the most of their salary each month. someone plz help me with this, I'm studying right now :)
compare the fractions
28/100, 1/4, 3/10
or
.28, .25, .30