Gina has a collection of nickels and dimes worth $8.65. If she has 101 total coins,

Gina has 29 nickels and 72 dimes.

Step-by-step explanation:

Each nickel is $0.05, and each dime is $0.10.

If she has 101 total coins, we have:

All coins worth $8.65, so we have:

Multiplying the second equation by 20, and subtracting the result by the first equation, we have:

Then, finding the number of nickels, we have:

So Gina has 29 nickels and 72 dimes.

1; 35 is the ratio

step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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