Question a-libr
A librarian has 43 books to distribute to a group of children. If he gives each child 2 books, he will have 7 books left over. How many children are in the group?
15
18
25
29
A librarian has 43 books to distribute to a group of children. If he gives each
Easy-difficulty · SAT Math · Linear Equations in One Variable — Word problems → single variable. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice B is correct. Subtracting the number of books left over from the total number of books results in 
, which is the number of books distributed. Dividing the number of books distributed by the number of books given to each child results in 
.
Choice A is incorrect and results from dividing the total number of books by the number of books given to each child, 
, then subtracting the number of books left over from the result, 
. Choice C is incorrect and results from adding the number of books left over to the total number of books, 
, then dividing the result by the number of books given to each child, 
. Choice D is incorrect and results from dividing the total number of books by the number of books given to each child, , then adding the number of books left over, 
.
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