Rose gold, gold that has been alloyed heavily with copper, has become very popular in recent years. 14 carat rose gold consists of 58% gold; 18 carat rose gold contains 75% gold; 22 carat rose gold consists of 91% gold. Given that 14 carat rose gold sells at $32 per gram, and 22 carat rose gold sells at $50 per gram, what do you expect the price of 18 carat rose gold to be?

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

i think it might be a but you might want a second opinion

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.