Question

There are 10 history books in a bookcase. When

the number of books increases by x percent, the
new number of history books is 24. What is the
value of x?
A) 58
B) 70
C) 120
D) 140​

Answer 1

D) 140

Explanation:

140% of 10 is 14 and 14 added to ten is 24