If width of rectangle is a, then length is 4a and area = 4a2<span> which is given as 100 m</span>2<span>. So a=5. Perimeter of rectangle= a+a+4a+4a = 10a= 50m</span>
5x-8 is the the answer simplified
Answer:
28 students did not fail.
Step-by-step explanation:
Since 7 is 1/5 of the class, then 4/5 of the class 28 because 7 * 4 = 28.
Brainliest would be greatly appreciated!!! Have a nice day!