Answer:

Step-by-step explanation:
= Area of 1st rectangle = 
= Area of 2nd rectangle = 


The number of pounds required for the counter top is


The required expression is
.
Answer:
37
Step-by-step explanation:
substitute 4 for x then multiply and add
y=5+8(4)
y=37
Answer:
28
Step-by-step explanation:
Hope this helps!
Answer:
n=11
Step-by-step explanation:
(n+4)/10 = (n-8)/2
We can solve using cross products
(n+4) * 2 = 10 * ( n-8)
Distribute
2n+8 = 10n -80
Subtract 2n from each side
2n+8-2n = 10n-80-2n
8 = 8n-80
Add 80 to each side
8+80= 8n-80+80
88 = 8n
Divide each side by 8
88/8 = 8n/8
11 = n
Answer:
16
Step-by-step explanation:
red: blue
3 4
There are 12 red shoes
12/3 = 4
Multiply each side by 4
red: blue
3*4 4*4
12 16
There are 16 blue shoes