Answer: 12 blue marbles
Step-by-step explanation: Set up a proportion.
4/5 = x/15
Solve for x, the number of blue marbles. Cross multiply. You will get 60 = 5x
Divide by 5 on each side.
x = 12
There are 12 blue marbles.
28 miles! Just devide em hope it helped! Pls brainest
15ft because 12x.25=3 so 3ft is 25% of the 12ft, add the 3+12=15
7.5 is the answer for this questio
