hi!
firstly, shade 40 of the grids because the percentage of vegetable oil is 40
next, 100-40=60 since there are 100 grids
now let's do ratio!
40:60
10:15
to get 10, 40 needs to be divided by 4
so, 60 divided by 4 is 15
therefore the total cups is 10+15=25
answer: 25
