Perimeter of rectangle = 2(l+w)
So, 54cm = 2(l+9cm)
=> 54cm = 2l + 18cm
=> 54cm - 18cm = 2l
=> 36cm = 2l
=> 36cm/2 = l
=> 18cm = l
Add ( ) around part of the equation making sure there is a number in foront of it.
ex.) f(x) = 4(3x+13) -21
Answer:
The expressions for each statement are as follows:
a: 2500+(0.10*2500)
b: 40 * 0.85
c: 250 + (0.075*250)
Step-by-step explanation:
<u>Part a:</u>
Given
Salary = $2500
Percentage of raise = 10%
The new salary will be:

<u>Part b:</u>
Given
Total questions = 40
Percentage of correct answers = 85%
The required expression for correct answers is:

<u>Part c:</u>
Given
Price of phone = $250
Percentage of sales tax = 7.5%
The required expression is:

Hence,
The expressions for each statement are as follows:
a: 2500+(0.10*2500)
b: 40 * 0.85
c: 250 + (0.075*250)
Answer:
f(x) = 
Step-by-step explanation:
hope this helped :-)