It will take the penguin 2 hours i think
14 miles
7 miles per hour
1 hour- 7 miles
2 hours- 14 miles
Based on the calculations, the unknown number is equal to 
- Let the unknown number be x.
<h3>How to find an
unknown number:</h3>
Translate the word problem into an algebraic expression, we have;
Adding 21 to the unknown number:

Multiplying the result by 3:

84 more than two-thirds of the unknown number:

Equating the equations, we have:

Cross-multiplying, we have:

Read more on word problems here: brainly.com/question/13170908
Answer:
d =32
Step-by-step explanation:

Answer:
angle D = 54°
Step-by-step explanation:
Supplementary angles sum to 180°
To calculate D, subtract angle C from 180
angle D = 180° - 126° = 54°
Answer:
The relation ship between ration and rates is they compare numbers
Step-by-step explanation:
Please give brainliest