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Back to 9.2 Solve Money Applications

9.2 Exercise 21

Avg difficulty 2.5

Solve the coin word problems.

Ngo has a collection of dimes and quarters with a total value of $3.50.\$\text{3}.\text{50} . The number of dimes is 77 more than the number of quarters. How many of each coin does he have?

OpenStax Prealgebra 2e, 9.2 Solve Money Applications, exercise 21

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Adapted from Prealgebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Prealgebra 2e. Imported at revision 77a933c.