Answer:
B
Step-by-step explanation:
Answer:
You have to give the number by which the 20% is increased in order to cross multiply and divide by a hundred to find the missing % of the decrease. Otherwise, you would simply subtract 20% from 100%, which seems unlikely to be the answer. We need more information.
Step-by-step explanation:
Answer:
Part A:
- What We Need to Find is How Much money He Made over the summer
Setting Up the Problem We Would Do 160 + 180 Because we are trying to figure how Much money he made over the summer.
160 + 180 = 340
So Javonie Made 340$ over the Summer
Part B:
Determine what you need to fine?
We trying to figure Out How Much he charged per dog?
To Set up this Problem We are going to Divide 160 Divided By 8
and 180 divided by 9
160 Divided by 8 is 20 In July
180 divided by 9 is 20
so the Answer Is Javonie Charged 20$ per dog in July.
xXxAnimexXx
Have a great day!
Answer:
An observational study
Explanation:
observational studies are those a study where the researcher observes the effect of a defy factor, diagnostic test, treatment or other intervention without trying to change who is or isn't exposed to it. Cohort study and control studies are of two observational studies. These are the part of fundamental of epidemiological research. These are called observational studies because the investigators observe individuals without manipulation and intervention. These studies are an important category of study design. Well, design observational studies maybe the next best method to address these types of questions.
