6. Jamal, Rachel, and Scott are having lunch. Jamal's meal cost \( \$ 7.45 \); Rachel's bill is \( \$ 8.50 \); and Scott's meal costs \( \$ 9.75 \). They have a \( \$ 10 \) off coupon. How much will the friends have to pay for their lunch all together (after the coupon is applied)? a. 15.70 b. 25.70 c. 35.70 d. 14.70
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