Answer:

Step-by-step explanation:
Put <em>n = 10</em> to the equation 

Answer:
$22.5
Step-by-step explanation:
25% of $90
25% x 90
0.25 x 90
$22.5
Hey there!
1a. Let c=cost of dinner, 5=the # of people, and P=the cost of person
P=C/5
b. <span>P = (1000)/5 </span>
<span>P = 200
</span>
2a. For 1= 19, 2= 38, 57= and so on ( you just multiply the number of season by 19)
b. T= 19n
Answer:
Step-by-step explanation:
X = 4
is the answer becuase if you multiply 2 by 4.5 you will get 9 and 9 is the same thing
if you multiply 2 by 5.5 = 11 so thats greater then 9 we want nine to be greater then the number 2x
so 2 x 4 is 8 and 8 < 9 so thats your answer