Answer:

Step-by-step explanation:

Set up a proportion:

The numerator represents fluid ounces of milk, and the denominator represents milligrams of calcium.
Simplify the first fraction to make multiplication easier:


Cross multiply the fractions:


Divide both sides by 135 to get x by itself:

2.1 fluid ounces of milk provide 72.5 milligrams of calcium.
Answer:
5
Step-by-step explanation:
Answer:Ascending Height : 36,500 feet Descending Height : 14,600 feet
Step-by-step explanation: