Answer:
The width of the piece is 11 inches
Step-by-step explanation:
Let
x ----> the length of the rectangular piece of aluminum in inches
y ----> the width of the rectangular piece of aluminum in inches
we know that
The perimeter of the rectangular piece of aluminum is equal to
we have
so
simplify
----> equation A
----> equation B
Solve the system by substitution
substitute equation B in equation A
solve for y
therefore
Answer= 50%
7k=7000g
7000÷350=20
20x75p=1500p
1500=£15
£15 is £5 more than £10. £5 is half of £10 meaning its an extra 50%
(Could Be Wrong Tho, My Apologies If It Is!)
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