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 Post subject: Help pleasePosted: Fri Jul 26, 2013 9:24 am

Joined: Sun Jan 20, 2013 10:22 am
Posts: 73
GL maths 6, question number 10
If A = 3, B = 6, C = 8, D = 9, E = 12,
what is the answer to this sum written as
a letter?
E/CxB + A = (?)

I am not sure how to work out, can you shed some lights please.

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 Post subject: Re: Help pleasePosted: Fri Jul 26, 2013 9:40 am

Joined: Wed Nov 23, 2011 12:52 pm
Posts: 603
Location: Shamballa
order is do the division first:

12/8=1.5

1.5*6=9

9+3=12

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 Post subject: Re: Help pleasePosted: Fri Jul 26, 2013 9:42 am

Joined: Sun Jan 20, 2013 10:22 am
Posts: 73
Thank you.

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 Post subject: Re: Help pleasePosted: Mon Aug 12, 2013 11:08 am

Joined: Mon Aug 12, 2013 9:13 am
Posts: 452
goldenstar - I will suggest that you understand the BIDMAS rule which will help you to solve any of such questions. The order of calculation is Bracket, Indices, Division, Multiply, Add and Subtract

Your question: If A = 3, B = 6, C = 8, D = 9, E = 12,
what is the answer to this sum written as a letter?
E/CxB + A

Step 1. Calculate "E/C" = 12/8 i.e. 3/2
Step 2. Calculate "X B" = 3/2 X 6 = 9
Step 3. Calculate "+A" = 9 + 3 = 12

You can also try

4 X (3 square) + (12/2 - 3) - 5

4 X 9 + (6 - 3) -5

4 X 9 + (6 - 3) -5

36+3-5

39-5

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