Answer:
12 x P
Step-by-step explanation:
Each person received 1/4 of the sandwich.
Simply divide 1 by 4 and you will get 0.25, either leave it in decimal form or convert it into fraction which is 1/4 because if you multiply 25 by 4 you will receive 1.
Plugging into the Given Formula the value of y:

Multiply the left side:

Add 14 to both sides to get:

Divide both sides by 8 and we get:

Therefore, x=7 and the proof is complete
3847474737464644647474747474747
Answer: 37.5
Step-by-step explanation:
15 15 3
___ = ___ = ___ = 0.375 = 37.5
15+25 40 8