10
Step-by-step explanation:
62 / 15.5 = 92 / x
to find x cross multiply:-
62x = 15.5 * 92
x = (15.5*92) / 62
= 23
You have to multiply whats outside the parenthesis with everything that is inside, so


Multiplication of same bases we sum the exponents



Alternative B.
Difference means subtraction 14,505-282=14,223ft