Answer:
280 students
111 non students
Step-by-step explanation:
number of students (S)
number of non students (N)
S+N=391 S=391-N
4S+6N=1786
substitute S
4(391-N)+6N=1786
1564-4N+6N=1786
subtract 1564 from each side
2N=222
N=111
S=391-111=280
Answer:
8 box
Step-by-step explanation:
Chocolate Bliss : 3.5x + 4
Expressions : 3.5x
where x is the number of chocolates the relationship would be:
3x + 4 < 3.5x
4 < 0.5x
8 < x
it will be cheaper to buy from CB when you purchase less than 8 candies
Answer:
$500
Step-by-step explanation:
substitute the values for X & S in the equation from part A:
y=20x + 0.15s
x=($20x25) + (0.15x$0)
= $500
X = 10 * 3^n
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10Answer:
10 + 10 =
Step-by-step explanation:
=20
