To find the percentage of students in Mrs. Green's class having a pet, divide the number of students with pets by the total number of students and multiply by 100. Therefore, 76% of the students in Mrs. Green's class have a pet.
This question involves the concept of percentage in mathematics. To find out what percent of students in Mrs.Green's class have a pet, you can follow these steps:
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3n - 4
substitute t = 5 - n into f(t)
f(5 - n) = 11- 3(5 - n) = 11- 15 + 3n = 3n - 4
Substitute to in this equation
Use Distributive property
Combine Like Terms
*(Answer)*=
Answer:
Step-by-step explanation:
-This is a linear relationship problem modeled as:
where:
Given the constant 40, and 12 pages per day as the rate of change we substitute our variables in the form of the formula above as:
a) The cost price of the jacket after the decreased amount is $ 35
b) The cost price of 2 jackets is $ 70
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the price of the jacket after decrease be = A
Now , the equation will be
The original price of the jacket = $ 39.50
The amount decrease in the price of the jacket = $ 4.50
So , the cost price of the jacket after the decrease in price is = original price of the jacket - amount decrease in the price of the jacket
Substituting the values in the equation , we get
The cost price of the jacket = 39.50 - 4.50
The cost price of the jacket = $ 35.00
So , the cost price of the jacket is $ 35.00
Now , the cost price of 2 jackets is = 2 x sale price of the jacket
Substituting the values in the equation , we get
The cost price of 2 jackets is = 2 x 35
The cost price of 2 jackets is = $ 70
Therefore , The cost price of 2 jackets is $ 70
Hence ,
a) The cost price of the jacket after the decreased amount is $ 35
b) The cost price of 2 jackets is $ 70
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