Question

Which shows the correct solution of the equation 1/2 a + 2/3 b, when ? b=30

Answer 1

Answer:

The answer is 1/2a + 20

Step-by-step explanation:

Given;

• 1/2a + 2/3b
• b = 30

Now, Substitute value of b

1/2a + 2/3b

1/2a + 2/3(30)

1/2a + 2 × 10

1/2a + 20 = a/2 + 20 = (a + 40) ÷ 2

Thus, The answer is 1/2a + 20

-TheUnknownScientist 72