Download photo math for equations like this, it will also give you it step by step :)
Dear Sweet21574, the answer is D. Squre pyramid.
If I'm doing this correctly, you would need to multiply everything inside the parenthesis by 8. So it would be 8x-24y·8x+24y. I'm sorry if that's not right, but that is my interpretation of the problem. Hope I was of some assistance :)
Step-by-step explanation:

which means each person receive 45g cake
Ratio with two equivalent measurements would be 1