Answer:
a.2:3 or 2 to 3
Explanation:
Convert the hour to 60 minutes then divide them both by 20 to get your answer.
b.If we divide 4.5 km by 0.5 km we get 9, so the distance on the map must be 9 cm. working out what 1 cm on the map is equivalent to as a real life distance. A map has a scale of 1:25000. This means that 1 cm on the map is 25000 cm in real life, which is 250 m or 0.25 km.
Step-by-step explanation:
Answer:
9.6 or round it to 10
Step-by-step explanation:
brainliest pls
The proportion of dissolved substances in seawater is expressed as 0/00, which is the same as parts per hundred.
Majority of the explanations for ratio and proportion use fractions. A ratio is a fraction that is expressed as a:b, but a proportion says that two ratios are equal. In this case, a and b can be any two integers. The foundation for understanding the numerous concepts in mathematics and science is provided by the two key notions of ratio and proportion.
We apply the concepts of ratio and proportion every day, for example, while dealing with money in business or when preparing any meal, etc. Students occasionally struggle to understand the difference between ratio and proportion. With numerous examples and problems that have been solved, this article helps students understand these two ideas clearly.
Learn more about proportion here
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You would do 2 times 6 and get 12. Then you subtract 12 from -20 and you get -8. so -8 is your answer.
