human
Whitney bought 9 books about whales and 7 books about fish. She also bought 3 magazines. Each book cost $11 and each magazine cost $1. How much did Whitney spend in all?
assistant
How many books did Whitney buy? ** The total number of books is 9 books + 7 books = <<9+7=16>>16 books.
How much did the books cost? ** The cost of the books is $11/book × 16 books = $<<11*16=176>>176.
How much did the magazines cost? ** The cost of the magazines is $1/magazine × 3 magazines = $<<1*3=3>>3.
How much did Whitney spend in all? ** Whitney spent $3 + $176 = $<<3+176=179>>179 in all.
#### 179