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oh Lord, why am I so rubbish at maths?

(5 Posts)
nicename Mon 17-Mar-14 18:57:37

30% x 910 = ??? Anyone?

SJisontheway Mon 17-Mar-14 19:02:36

273. 30% is 0.3

MirandaWest Mon 17-Mar-14 19:03:00

10% is 910/10 = 91.

So 30% is 91 x 3 = 273.

nicename Mon 17-Mar-14 19:09:29

Thank you!

Here I am 'checking' the homework of a nine year old and I haven't a clue what I am doing!

God I hate maths. Never liked it. It melts my brains.

sashh Tue 25-Mar-14 07:11:55

I'd do it as fractions

30% is the same as 30/100 which is 3/10

3/10 X 910/1 (any whole integer is the same as that integer divided by 1)

Multiply the numbers on the top row 3X 910= 2730
Multiply the numbers on the bottom 10 X 1 = 10

2730/10 = 273

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