Answered

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A student has 42 coins worth a total of $5.90. Each coin is either a nickel (five cents) or a quarter (twenty-five cents). If x is the number of nickels, then x can be determined from the equation---

Sagot :

Given

no. of coins = 42

worth of coins = $5.90

Find

number of nickels

Explanation

The number of quaters is 42 - x

0.05x + 0.25(42 - x) = 5.9

-0.2x + 10.5 = 5.9

-0.2x = -4.6

x = 23

Final Answer

Number of Nickels, x = 23

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