Hi Emily,
I think the answer is C 523.3
Good luck Emily!!
Answer:

Step-by-step explanation:
÷ 6
leave the fraction, change division to multiply, turn 6 upside down
=
×
( cancel 2 and 6 by 2 )
=
× 
= 
= 
Answer:
25 necklaces
Step-by-step explanation:
each necklace brings $16 profit (20-4=16)
400÷ 16= 25
so, at 25 necklaces, there will be enough profit to break even after paying for the advertising.
Answer:
Dimensions : 37.5 * 12.5
length : 37.5
width : 12.5
Step-by-step explanation:
let x = length and y = width
x = 3y based on info from problem
Perimeter = 2(length + width)
100 = 2(x + y)
substitute 3y for x
100 = 2(3y + y)
100 = 2(4y)
100 = 8y
y = 12.5
x = 3(12.5) = 37.5
Ans: -4.3
Integers are all whole numbers negative, positive, and 0
Hope this helped :)