Answer:
2. trust me.. i did it before.
Answer:
Total pictures = 84+12 = 96
roll of films = 96 / 24 = 4
she used 4 rolls
Answer:
ok dude I will study this
Step-by-step explanation:
then I will answer in a few minutes
Answer:
9 blue marbles
Step-by-step explanation:
4 : 3 ratio
12 : x
12 / 4 = 3
4 × 3 : 3 × 3
12 : 9