Karlene has $4.75. Which comanation f coins is correct A. 20 quarters
B. 16 quarters, 5 dimes, 2 nickles
C. 15 quarters, 8 dimes, 4 nickles
D. 12 quarters, 12 dimes

answer: are you

step-by-step explanation:

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