One sign shows 15 miles in 20 minutes what is the speed in miles per hour.
1 answer:
Answer:
45 miles/hour
Step-by-step explanation:
We need the speed in miles per hour so we need to changes minutes to hours
20 minutes * 1 hour /60 minutes = 1/3 hour
Speed = distance/ time
= 15 miles/(1/3 hour)
=15 *3 miles/hour
= 45 miles /hour
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16 cm
Step-by-step explanation:
Answer:
20 mens
Step-by-step explanation:
12 men can plant paddy in 10 hours
1 man can plant the paddy in (10 × 12) hours
10 × 12 / 6 = 20
