$20.50 x .3 = 6.15
20.50 - 6.15 = $14.35
The book is now $14.35
Answer:
Graph 3
Step-by-step explanation:
f(x) inverse = 1/f(x)
=> 1/(1/2x) + 1(1/4)
=> 2x + 4
=> Third graph (Second row, first one)
D. 2.0 I think it's the correct answer...
2x+ 3y=12
-2x -2x
3y=12-2x
Divide both sides by 3
Y=4-2/3 x
Answer:
There are 600 students in this school.
Step-by-step explanation:
Let p represent the total population of the school.
Then (1/3)p represents the number of students who like math. Subtracting this (1/3)p from p gives an expression representing those who do not like math:
p - (1/3)p = (2/3)p
400 students do not like math, so (2/3)p = 400.
Solve this for p by multiplying both sides by (3/2):
(3/2)(2/3)p = (3/2)(400), which simplifies to p = 600.
There are 600 students in this school.
