Question

Please help! What is the value of B in the following proportion?

Answer 1

B.143

step by step:
$\frac{11}{12} = \frac{b}{156}$
use cross multiplication
$12 \times b = 11 \times 156$
$12b = 1716$
divide both sides by 12
$\frac{12b = 1716}{12}$
$b = 143$

Answer 2

Answer:

B. 143

Step-by-step explanation:

11        b

----- = -------

12          156

using cross products

11 * 156 = 12 b

divide by 12

11 * 156/12 = b

11 * 13 = b

143 = b