Question

Can anyone let me know the best way to answer this please?

Answer 1

Use BIDMAS/BODMAS so multiply 2.5 x 8 = 20 then 23.7-20= 3.7

Answer 2

You do: 2.5x8 which equals 20
Then you do 23.7 - 20 = 3.7
3.7 is then your answer :)