Question

The ratio of 15 days to 72 hours is
A. 2 : 1
B. 3 : 1
C. 4 : 1
D. 5 : 1​

Answer 1

Answer :

$\huge{\bigstar{\boxed{\sf{\red{Option\:D. 5:1}}}}}$

Solution :

1 day = 24 hours

15 days = 24*15 hours

= 360 hours

360/72 = 20/4 = 5/1 = 5 : 1

_________________________

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Answer 2

Answer:

The ratio of 15 days to 72 hours is 5:1

Step-by-step explanation:

Solution:

Days:

The Earth rotates once around its axis about the Sun, which takes one day to complete. Every day has 24 hours.

Hours

"The hour is a period equal to 1/24 of a day or 60 minutes."

To find the ratios, both quantities should be in the same unit.

15 days to 72 hours

we know that,

1 day = 24 hours

find that how many hours are there in 15 days

15 × 24 = 360 hours.

"15 days have 360 hours"

The ratio is = $\frac{360}{72}$

                   = $\frac{5}{1}$

The ratio is 5:1

Final answer:

The ratio of 15 days to 72 hours is 5:1

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