3 times the sum of 8 and 4
3(8 + 4) <== ur expression
The ratio of the frequency at which he picks blue is 18:32 which simplifies to 9:16 but if you want a percentage its 36%
Step-by-step explanation:

Answer:
30 is the least common factor or lcm
Step-by-step explanation:
when adding fractions you always have to find the lcm