Lynne bought a total of 7 + 2 = <<7+2=9>>9 books

The books cost Lynne 9 x 7 = $<<9*7=63>>63

For 3 magazines, Lynne spent 3 x 4 = $<<3*4=12>>12

In total, Lynne spent 63 + 12 = <<63+12=75>>75$

# Answer

75
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Lynne bought 7 books about cats and 2 books about the solar system. She also bought 3 magazines. Each book cost 7$ and each magazine cost $4. How much did Lynne spend in all?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
75
Lynne bought 7 books about cats and 2 books about the solar system. She also bought 3 magazines. Each book cost 7$ and each magazine cost $4. How much did Lynne spend in all?
train