Simon makes 30 cakes he gives 1/5 of the cakes to sally and gives 10% of the cakes to Jane what fractions of the 30 cakes does he have left.

15 cakes left.

Step-by-step explanation:

1/5 of 30 = 6 this finds the amount given to Sally.

30 - 6 = 24 this finds the total afterward.

30% of 30 = 9 this finds the amount given to Jane.

24 - 9 = 15 This finds the total.

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get