The number of books in her summer reading list is = 20
The number of books that has been read by Emma = 14
The percentage of books that has been read by Emma = 70%
But the percentage of books in Emma summer reading list = 100%
∴ The number of books in her reading list= ˣ
That is ;
70% = 14
100% = ˣ
Make ˣ the subject of formula,
ˣ = 100 × 14 / 70
ˣ = 20
Learn more here:
brainly.com/question/20766171
After solving
we get value of x = -20
Step-by-step explanation:
We need to solve the fractions and find value of x.
The given fraction is:

Solving:

So, After solving
we get value of x = -20
Keywords: Solving fractions
Learn more about Solving fractions at:
#learnwithBrainly