How would you find __% of 400 ?

I found 25% of 400 by dividing 400 by 4.

100/4=25%

400/4=100

I found 60% of 400 by dividing 400 by 10, and then multiplying 40 by 6.

100/10=10

10x6=60%

400/10=40

40x6=240

I found 37.5% of 400 by dividing 400 by 10, and then multiplying 40 by 3. I know that 7.5 is 75% of 10 so 7.5% and 30% make 37.5%.

100/10=10

10x3=30

10/4=2.5

2.5x3=7.5

30+7.5=37.5%

400/10=40

40x3=120

120/4=30

30x3=90

120+90=210

I found 130% of 400 by dividing 400 by 10, and then multiplying by 13.

100/10=10

10x13=130%

400/10=40

40x13=520

I found 0.25% of 400 by dividing 400 by 100, and then dividing 1 by 4.

100/100=1

1/4=0.25%

400/100=4

4/4=1

I found 600% of 400 by multiplying 400 by 6.

100x6=600%

400x6=2400

I found 0.15% of 400 by dividing 400 by 1000, and then multiplying 0.1 by 1.5.

100/1000=0.1

0.1x1.5=0.15

400/1000=0.4

0.4x1.5=1.6

I found 240% of 400 by dividing 400 by 10, and then multiplying 10 by 24.

100/10=10

10x24=240%

400/10=40

40x24=960

I found 7.5% of 400 by dividing 400 by 1000, and then multiplying 0.1 by 75.

100/1000=0.1

0.1x75=7.5

400/1000=0.4

0.4x75=30

My other video is not up here because it says that "Your HTML cannot be accepted: Tag is not closed: EMBED"

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## 3 comments:

Good job Brendan! Great use of colours and really good explanations. :)

Wow, good job brendan. Your ways of finding the answers were so easy, simple, and easy to understand. nice scribe.

Good job Brendan! Nice use of colors. It looks like everything is the same. Your scribe is understandable. Good job.

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