Answer:
-2/3
Step-by-step explanation:
Answer:
The total calories consumed from both meals = 1595.6 calories
Step-by-step explanation:
Given:
Dashawn had 55% of his calories from his breakfast.
He consumed 718 calories during lunch
To find the total calories he consumed from lunch and breakfast.
Solution:
Dashawn is monitoring his calories for breakfast and lunch only.
So, if he consumes 55% calories during breakfast, then percentage of calories he consumes during lunch =
<em>Let total calories he consumes from both meals be = </em>
<em>Thus, calories he consumes during lunch can be given as :</em>
⇒
⇒
⇒
⇒
<em>We know that calories taken during lunch = 718.</em>
So, we have,
Solving for
Dividing bot sides by 0.45
Thus, the total calories consumed from both meals = 1595.6 calories
Answer:
<h2>6 min.</h2><h2 />
Step-by-step explanation:
ratio and proportion:
<u>28 photos </u> = <u> 21 photos</u>
8 min x min.
21 (8) = 28 (x)
x = 168 / 28
x = 6 min.
Answer:
a. These data are results of an observational study.
Step-by-step explanation:
In observational study, individuals are observed or certain outcomes are measured without the observer trying to affect the outcome of the observation. The results of an observational study can be random, and there final results might not be expected prior to the study. In observational study, the observer does not affect the study because of ethical concerns or logistical constraints. In the case of this question, the observer might be under the constraint of not having the political influence of a direct experiment.