Alana and Petra go to a used book sale, where every book is the same price. Alana buys 4 books and Petra buys 2 books. They run
into their friend Angus, who really loves to read, and discover that he has bought 16 books. Angus received a $15 discount, but he still spent $5 more than Alana and Petra combined. How much does one book cost?
1 answer:
You might be interested in
To compare fractions, we need to have the same denominator
The least common multiple is 16
to change
, we should multiply the numerator and denominator by 4
= 
<
so basically, is greater than
which means is greater
is greater
The least common multiple is 16
to change
so basically,
which means