The unit rate for A is 5 because 25/5 = 5 and Unit rate for B is 4 because 24/6 = 4 and your asnwer would be A because it’s moving more at shorter speed. Could I have brainliest because I need one more to get a new rank
Answer:
Jose is 54years Rachael is 38years
Step-by-step explanation:
Jose=x-12
Rachael=x-12/2
sum of their ages x-12+x-12/2=63
collect like terms
x=54years
Jose =54years
Rachael=38years
This question is unclear, I don't understand and it doesn't ask the question.
Its 2x +20
hope this helped you
This is an observational study and the conclusion of the researcher is not justified.
<h3>Controlled experiment</h3>
A controlled experiment is such that all the other factors in the experiment are kept the same except the variable that is being studied. This study is not a controlled experiment is not a controlled experiment because other factors that could affect the study were not carefully controlled.
This is an observational study. The conclusion of the researcher is not justified because other factors such as diet which could affect the blood pressure were not taken into account.
Learn more about controlled experiment: brainly.com/question/4444046