Answer:
Her average score is 150
Step-by-step explanation:
You add 175+142+133 and divide it by 3
To find mean or average you add up all the numbers and divide by how many numbers there are
Answer:
Y = 4
Step-by-step explanation:
12 - 8 = 4 and if you put another triangle it will look like a complete square, so you will need to subtract it Hope it Helps
Answer:
104.40
Step-by-step explanation:
100 * 2% = 102
102 * 2% =104.4
Answer:
7/540
Step-by-step explanation:
21/60= 7/20 and then you flip the fraction that is dividing the fraction so, 7/20 x 1/27= 7/540
Destiny has 4*.49 = 1.96 L of acid. In order for the 1.96 L of acid to be 14% of the solution, there must be 1.96/.14 = 14 L of solution.
Destiny must add 14 L -4 L = 10 L of water to make the desired solution.