Answer:
30:1
Step-by-step explanation:
1. Look at the graph and follow along the lines.
2. When x is 1 in hours then cakes are 30.
3. So we can write the ratio from cakes to hours.
4. The ratio is 30:1.
1/2x + 1/4x = 16
3/4x = 16
x = 16 / 3/4 = 21 1/3
10.8 units