Step [tex] 1 [/tex]
Find the cost of the book on sale with [tex] 20 [/tex]% off
[tex] 32.99*.80=26.392\ dollars [/tex]
Step [tex] 2 [/tex]
Find the cost of the book with [tex] 15 [/tex]% off using the coupon
[tex] 26.392*.85=22.43\ dollars [/tex]
Step [tex] 3 [/tex]
Find the amount of money that Jamie saved
[tex] 32.99-22.43=10.56\ dollars [/tex]
therefore
the answer is
[tex] 10.56\ dollars [/tex]
