Question

P=2a+ 3b Work out the value of
P when
a=11 and b=5

Answer 1

37

Explanation:

2a+3b first we substitute the letters with numbers

=(2*11)+ (3*5) then we do the parentheses first

=22+15 then add

=37 so P = 37

Answer 2

p=2a+3b

p=2(11)+3(5)

p=22+15

p=37