the ratio of red marbles to blue marbles in a bag is 3:4. which of the following is a possible total number of marbles is it 21, 30, 32, or 40.​

i like marbles but here is the ans 69

Step-by-step explanation:

it was eas

21

Step-by-step explanation:

so if the ratio is 3:4

then we can also write the ratio as 3x:4x

where the total is 7x marbles and we see we have to chose the one that is divisible by 7 which is 21.

if my answer helped please mark as brainliest.

idk what the answer is but for the points

step-by-step explanation:

the first one and the second one that's the answer

560

step-by-step explanation:

giggidy