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Mathematics 14 Online
OpenStudy (anonymous):

30-2(7+2)-1=?

OpenStudy (mrnood):

first work out th e bracket: what is (7+2)?

OpenStudy (anonymous):

9

OpenStudy (anonymous):

it looks simple but my answer doesnt match

OpenStudy (mrnood):

ok so now you have the bracket you can write the question as 30- 2(9) -1 so what is 2(9) (it means 2 times 9)

OpenStudy (anonymous):

i know

OpenStudy (anonymous):

18

OpenStudy (mrnood):

so what is 30-18-1

OpenStudy (anonymous):

11

OpenStudy (mrnood):

If you have written the question correctly then that is the correct answer

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