85 degrees?
50+45=95 180-95=85
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5! ÷ 4!
( 5 × 4 × 3 × 2 × 1 ) ÷ ( 4 × 3 × 2 × 1 )

5
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Answer:
15 hrs
Step-by-step explanation:
10 miles= 3hrs
50miles/10miles= 5
5(3hrs)=15 hrs