In a bag, 12 marbles are blue. this is 80% of the marbles. how many marbles are there in total?

15

Step-by-step explanation:

given:

80% > 12 marbles

1% > 12/80 marbles

hence

100% > (12/18) x 100 = 15 marbles

x+y=90

x=30-y=x

step-by-step explanation:

if you understand you will get the answer

black lol

step-by-step explanation:

h

i can tell you jamal now has 3 cookies xd

tommy has 2.

this made me lol.