Respuesta :

wegnerkolmp2741o

Answer:

42

Step-by-step explanation:

j(5+k) + 15

Let j = 3 and k = 4

3(5+4) + 15

Parentheses first

3 (9) +15

Multiply

27 + 15

Add

42

Answer:

42

Step-by-step explanation:

j(5+k)+15

=3(5+4)+15

=3(9)+15

=27+15

=42