775-550 = 225 for an extra 15 guests
225/15= 15$ per person
Answer: 3a-21
Step-by-step explanation:
Apply distributive property
a=3-3*7
Multiply 3*7=21
Answer: 3a--21
Answer:
B
Step-by-step explanation:
the -1/3 indicates that there will be a shrink
The answer is B, 3/4 is greater than 3/5
3/4=0.75
3/5=0.6
0.75 is greater than 0.6
Answer:
(2.5,5)
Step-by-step explanation:
y=3x/2 +5/4
4y=6x+5
-6x+4y=5
6x+12y=75
16y=80
y=5
x=5/2
