Solve the Problem $\$ 5.00$ , How Many of the Coins Are Nickels?
A) 23

question 29

Multiple Choice

Solve the problem.
-Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 28 coins with a total face value of $\$ 5.00$ , how many of the coins are nickels?

• A) 23 nickels
• B) 10 nickels
• C) 12 nickels
• D) 18 nickels

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Definitions:

DNA Replication

The process by which DNA is duplicated; ordinarily a semiconservative process in which a double helix gives rise to two double helices, each with an "old" strand and a newly synthesized strand.

Radioactive Isotopes

Atoms of the same element that have different numbers of neutrons in their nuclei, causing them to be unstable and decay, releasing radiation.

Phosphate Groups

Phosphate groups are chemical groups containing phosphorus and oxygen; they play a key role in energy transfer and molecular signaling in cells.

Covalent Bond

A chemical bond involving the sharing of electron pairs between atoms, leading to the formation of a stable molecule.