Solving Multistep Equations with variables on both sides of the equal sign
Writing Ratios and Proportions/Solve Proportions using Cross Products
Solving Percent Problems/Rewriting Equations and Formulas
100
Two ratios of the same value that equal each other.
What is a proportion?
100
5x=10
-Isolate 5 by dividing.
-Do to each side of the 'equality' the same operations- divide 10 by 5, also.
x=2
What is the value of x:
5x=10
100
12v + 14 + 10v = 80
-Keep in mind before solving that when solving for variables you do the opposite of PEMDAS.
-Combine like terms. (12v and 10v)
22v + 10 = 80
-Isolate v by subtracting 10 from each side of the equal sign-simplify the equation to solve for v.
22v = 70
-Isolate v again by dividing it by the number v is being multiplied with.
v = 3 and 2/11
What is the value of v:
12v + 14 + 10v = 80
100
14 to 18.....Divide each side by the greatest common factor shared by both numbers.
14 to 18 = 7 to 9
5 : 13.....This ratio is correct, as both numbers are prime and can't be divided any farther into integers.
What is the answer to:
Write these two ratios in their simplest form. If they are already simplified, respond "correct".
14 to 18
5 : 13
100
"What percent of 80 is 56".....This is just a problem written in word form.
percent of 80 is 56
% * 80 = 56
Let's pretend like this percent sign is a variable. You want to isolate the percent sign by dividing both sides of this equation by 80.
% = 56/80
% = 0.7, or 70%
What percent of 80 is 56?
200
An equation that is true for all values of the variable.
What is identity?
300
a to b.....a:b.....a/b
What is the three ways to write a ratio?
400
A literal equation is an equation with more than one variable. (formulas, for example)
What is a literal equation?
500
3/4 = 6/8
4 x 6 = 24
3 x 8 = 24
In conclusion, these proportions, using ________, are proved to be equal.