a man walks 7 1/2 miles in 2 hours, while B walks 1/2 mile in 1 minute. find ratio between their speeds About the author Mia
Answer: 1 : 8 Step-by-step explanation: A walks 7 1/2 miles in 2 hours ∴ A walks 15/2 miles in 2 hours ∴ in 1 hour A will walk 15/4 miles ∴ Speed of A = 15/4 mph B walks 1/2 mile in 1 minute ∴ In 60 minutes ( 1 hour) B will walk 1/2 × 60 = 30 miles ∴ Speed of B = 30 mph Ratio between their speeds Speed of A = 15/4 = 15/(4×30) = 1/8 or 1 : 8 Speed of B 30 Reply
Answer:
1 : 8
Step-by-step explanation:
A walks 7 1/2 miles in 2 hours
∴ A walks 15/2 miles in 2 hours
∴ in 1 hour A will walk 15/4 miles
∴ Speed of A = 15/4 mph
B walks 1/2 mile in 1 minute
∴ In 60 minutes ( 1 hour) B will walk 1/2 × 60 = 30 miles
∴ Speed of B = 30 mph
Ratio between their speeds
Speed of A = 15/4 = 15/(4×30) = 1/8 or 1 : 8
Speed of B 30