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Molly has 18 coins, all dimes and nickels. The total value of the coins
is $1.05. How many of each type of coin does Molly have?

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Mathematics

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Molly has 18 coins, all dimes and nickels. The total value of the coins
is $1.05. How many of each type of coin does Molly have?

Answer :

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sqdancefan sqdancefan · Answer 1 · 2025-03-31T00:26:33-04:00

9514 1404 393

Answer:

15 nickels
3 dimes

Step-by-step explanation:

Let d represent the number of dimes Molly has. Then she has 18-d nickels, and the total value (in cents) of her coins is ...

5(18 -d) +10d = 105

5d +90 = 105 . . . . . . simplify

5d = 15 . . . . . . . . . . . subtract 90

d = 3 . . . . . . . . divide by 5; number of dimes

18-d = 15 . . . . . number of nickels

Molly has 3 dimes and 15 nickels.

SpeechlessMirror SpeechlessMirror · Answer 2 · 2025-03-31T00:26:32-04:00

Question

Molly has 18 coins, all dimes and nickels. The total value of the coins

is $1.05. How many of each type of coin does Molly have?

[tex]\huge\star{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}\star[/tex]

15 nickels

3 dimes

Let d represent the number of dimes

Molly has. Then she has 18-d nickels, and

the total value (in cents) of her coins is ..

5(18-d) +10d = 105

5d +90 105.... simplify

5d 15...

. . subtract 90

d 3.. ... divide by 5; number of

dimes

18-d 15... . . number of nickels

Molly has 3 dimes and 15 nickels.

Show Your Knowledge Molly has 18 coins, all dimes and nickels. The total value of the coins is $1.05. How many of each type of coin does Molly have?

Answer :

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Show Your Knowledge
Molly has 18 coins, all dimes and nickels. The total value of the coins
is $1.05. How many of each type of coin does Molly have?