The answer is A, if you graph both of them together you will see that the graph is stretched by 5x or plugin similar x-values
Answer is 32 books
So i am not sure if the answer listed there are correct
But this is the way you solve it
x=number of books
change 64% percent to a decimal, 0.64
Put everyhting into equation
0.64×50=x, then solve
x=32
64% of 50 books is 32 books
H3000 -you 67778 it’s equals to ninth five yes