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Mathematics 7 Online
lilcutie2:

math

lilcutie2:

Sunnyboi45:

First convert the second to minutes then hours, take how many hours it took and divide it by 3. I do believe that's how it goes

AZ:

A minor correction: divide 3 by it but that is the right process

AZ:

How many seconds are in a minute? And how many minutes are in an hour? @lilcutie2

Sunnyboi45:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @AZ A minor correction: divide 3 by it but that is the right process \(\color{#0cbb34}{\text{End of Quote}}\) Ohh, thank you. I do struggle on finding what is divided by what

lilcutie2:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @AZ How many seconds are in a minute? And how many minutes are in an hour? @lilcutie2 \(\color{#0cbb34}{\text{End of Quote}}\) there are 60 seconds in a minute and 60 minutes are in a hour

AZ:

Good! So what we want to do is convert from seconds to hours we have 194.3 seconds to go from seconds to minutes how would we do that? We know 60 seconds = 1 minute what do we multiply, is it the top one or the bottom one? |dw:1615210657548:dw|

AZ:

which one will make us get rid of the secs and leave us with minutes?

lilcutie2:

the bottom one

AZ:

Good so what is 194.3 / 60 =

lilcutie2:

3.23

AZ:

So that's how many minutes it is! Now we want to convert it to hours so which one do we do |dw:1615210983827:dw|

lilcutie2:

the top one

lilcutie2:

@AZ

AZ:

are you sure? Does the mins cancel out?

lilcutie2:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @AZ are you sure? Does the mins cancel out? \(\color{#0cbb34}{\text{End of Quote}}\) the bottom

AZ:

yes so do the division 3.238 / 60 =

lilcutie2:

.0539

AZ:

Good, let's keep one more digit just for not so it would 0.05396 hours so we went 3 miles in 0.05396 hours now we want to know how many miles PER HOUR that means how many miles in 1 hour to find that it's simple, we just have to divide by 0.05396 what is 3 / 0.05396 and that will take us from miles in 0.05396 hours to how many miles it would be in 1 hour make sense?

lilcutie2:

.017

lilcutie2:

@AZ

AZ:

oops, are you sure? 3/ 0.05396 and what would our final units be?

lilcutie2:

55 mph

AZ:

There you go! You can also keep some of the decimal points unless they want you to round to a whole number

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