Answer:
im just in 6 grade
Step-by-step explanation:
Answer:
x+y=80 i.e. 5x+5y=400 multiplying both sides by 5
now 5x+8y=535
therefore 3y=535-400=135
therefore y=135/3=45
now x=80-y=80-45=35
therefore final answer x is 35 y is 45
Answer:
The answer is D, 3 freshman are in both
15.93 because 4.55 times 3 and (4.55/2) so you'll end up with 15.93