Answer:
The percentage decrease is 15%.
Step-by-step explanation:
To find the percent decrease of any two numbers, subtract the numbers and divide it by the original.
So in this case:
20-17÷20
= 3÷20
= 0.15
Now convert to a percent.
0.15×100 = 15%
Answer:
Step-by-step explanation:
The answer is B because the teacher is keeping count of the seeds that EACH student plants
√8 = √(4x2) = 2√2
4√2 =4√2
2√2-4√2 = -2√2