Anne has 12 coins in her pocket consisting of nickels and dimes only. the total value of the coins is $0.95. how many nickels and how many dimes does she have? (let x represent the number of nickels represent the number of dimes)

answer is

c) 4

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.

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