Answer:
the inverse is(sorry if this is not what your looking for
Step-by-step explanation:
f^-1(x)=2x-4
Let the no. of girls be x and boys be y......
x/y=1/3
=>3x=y ...............(I)
now 4 boys leave the class is then
x/y-4=2/5
=>5x=2y-8
(I)=>5x=2(3x)-8
x=8
now 3x=y
=>y=24
therefore no. of girls is 8 and the no. of boy is 24..............
I have tried my best.....hope i helped............
Answer:
hello : Infinitey
Step-by-step explanation:
−4y + 4y + 2 = 2
2 = 2 ... right
so : Infinitey solutions
I think this is the answer !
Answer:
More
Step-by-step explanation:
A percentage of some thing is usally less than the original cost, so we know it can't be more than 105. 75% of 105 dollars is $78.75 which is 3 dollars and 75 cents more than 75 dollars, so the answer would be more.
105 x .75 is 78.75