Hello,
Answer:
48 min
Explanation:
Cross product :
80 km ⇒ x h
100 km ⇒ 1 h
x = (1 × 80)/100 = 8/10 = 0,8 h
= 0,8 × 60 min
= 48 min
0.8 hrs it take to drive 80 km at 100 km an hour
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