“jewelry marked 14-karat gold is 14/24 pure gold. what percent is this? ”

the answer is 15% decrease

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

3x + 4y -25 =0 represents the amount of change sianna should recieve