Chapter 4.6, Problem 14PE

To determine

To calculate: The amount of calcium in one glass of milk, in one serving of ice cream, and in one calcium supplement.

Natalie tracks her calcium intake from three sources for $3$ days. The first day she had $1$ glass of milk, $1$ serving of ice cream, and $1$ calcium supplement in pill form which totaled $1180$ mg of calcium. The first day she had $2$ glass of milk, $1$ serving of ice cream, and $1$ calcium supplement in pill form which totaled $1680$ mg of calcium. The second day she had $1$ glass of milk, $2$ serving of ice cream, and $1$ calcium supplement in pill form which totaled $1260$ mg of calcium.