Question

2. Find the ratio of ratio

b. 45 minutes : 2 hours 20 minutes

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Answer 1

Answer:

9:28

Step-by-step explanation:

45 min = 45/60 hr = 3/4 hr

2 hr 20 min = 140 min = 140/60 hr = 7/3 hr

3/4 : 7/3 = 9/28 = 9:28

Answer 2

Answer:

$\boxed{\green{Question:}}$

$45\:minutes:2\:hours\:20\:minutes$

$\boxed{\orange{Concept:}}$

$First\:make\:the\:hours\:in\:mins.$

$Then,make\:it\:to\:the\:simpliest\:form.$

$\boxed{\blue{Taken:}}$

$\frac{Ratio}{Ratio}.$

$\boxed{\red{Solution:}}$

$\frac{45\:minutes}{2\:hrs\:20\:mins}$

Make the hour in simplest form .

1 hour = 60 minutes .

$\mapsto\frac{45\:mins}{120\:mins+20\:mins}$

$\mapsto\frac{45\:mins}{140\:mins}$

$\mapsto\frac{9}{28}$

$\therefore\boxed{Ratio=9:28}$

HOPE IT HELPS YOU