Josephine mixed Ambergris worth $5.50 per milligram with byzantium worth %3.00 per miligram. How much of each did she use if her final 40 milligram mix cost $4.00 per milligram?

Answer 20 centimeters15+8=2323-3=20so the answer is 20 centimeters

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

Iam pretty sure its a sorry if im wrong