Question: Emily buys 3 T-shirts, each costing $20, and 2 pairs of jeans, each costing $40. The store has a special discount: if you spend more than $100, you get 10% off the total. How much does Emily pay after the discount?
A) $100
B) $108
C) $110
D) $126
Solution:
Total cost before discount:
3×20+2×40=60+80=140 dollars
The discount is 10% of $140:
0.1×140=14 dollars
Total cost after the discount:
140−14=126 dollars
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