Question

T=5m-6n
Work out the value of T when m = 4.2 and n=-2.5

Answer 1

36

Explanation:

T=5(4.2) - 6(-2.5)

=21 + 15

=36

Answer 2

T = 36

Explanation:

T = 5(4.2)-6(-2.5)

T = 21 + 15

T = 36