Are 15/18 and 10:12 equal ratios

Well a ratio is basically a fraction

so 15/18 and 10/12

if you were to simplify them to make life easier

5/6 and 5/6

They are equal.

In this case its a coincidence but in case of others.

You can cross multiply and see if they are equal

yes

Step-by-step explanation:

simplify it, 15 and 18 go by threes

so 5:6 ratio simplified

and 10:12 also simplifies to 5:6 when cut in half

boom (:

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.