Answer:
30%
Step-by-step explanation:
Answer:9 ounces of flours
Step-by-step explanation:90:9 ratio or sugar to flour
Answer:
Blue pens: 30%
Black pens: 44.8%
Pencils: 25.2%
400 people: 280 people
Step-by-step explanation:
Begin by adding up everyone:
75+112+63= 250
Percentage of blue pens:
75/250= 30.0%
Percentage of black pens:
112/250= 44.8%
Percentage of pencils:
63/250= 25.2%
400 people:
280 people
Answer: 14.285714 unit per rate
Step-by-step explanation:
Hope this helps:
The hydronium ion is an important factor when dealing with chemical reactions that occur in aqueous solutions. Its concentration relative to hydroxide is a direct measure of the pH of a solution. It can be formed when an acid is present in water or simply in pure water. It's chemical formula is H3O+.