Answer:
489
Step-by-step explanation:
Answer: x= 2.5, y = 10
Step-by-step explanation:
<u><em>I'm going to assume that these photocopies are proportional in relations to each other.</em></u>
If they're proportional, you can set up two proportions:

And cross-multiply:

Then solved for x and y:

ummmmmm you dont need the explanation and I'd rather not type but trust me its d, good luck!
Grace’s because she followed the order of operations. Addition and subtraction first, then multiply and divide.