Abbienbradford Abbienbradford

25-08-2014
Mathematics

Answered

Without parentheses, the expression 8 plus 30 divided by 2 plus 4 equals 27. Rewrite this expression with parentheses so that it equals 13; then 23

Answer :

TaylorBayley TaylorBayley

25-08-2014

For 13: 8 + 30/(2+4). Bidmas means the 30 divided by 6 will occur before the 8 is added. So it is done as 8 plus 30 divided by 6, which is 8 plus 5, giving 13.

For 23: (8+30) /2 +4. Againm bidmas means the /2 will occur before the +4 so what happens is 38 divided by 2 to give 29, then add 4 to get 23.

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