Answer:
You would need $23.87
Step-by-step explanation:
Cost for 6 books is 20.46
Finding the unit cost:
the cost of one single book will be amount for 6books ÷ 6
= 20.46 ÷ 6
= 3.41
We need to find the cost of 7 books so now that we know it for one book, we multiply that amount by 7
Therefore,
3.41 x 7
= 23.87 dollars
