Question

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

11/12 = B/156
A. 24
B. 143
C. 134
D. 170

Answer 1

B.143

step by step:

`(11)/(12) = (b)/(156)`
use cross multiplication

`12 * b = 11 * 156`

`12b = 1716`
divide both sides by 12

`(12b = 1716)/(12)`

`b = 143`

Answer 2

B. 143

Explanation:

11 b

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

12 156

using cross products

11 * 156 = 12 b

divide by 12

11 * 156/12 = b

11 * 13 = b

143 = b