The rotio of blue marbles to red marbles in a bag is 11: 9.if there are 99 blue marbles in the bag how many red marbles are there

81

Step-by-step explanation:

let the number of blue and red marbles be 11x and 9x res

pectively

then,

11x=99

x=99/11

x=9

so

no. of red marbles= 9x=9×9=81

idk the answer but just put a

step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol