Problema Solution
Samuel has a collection of toy cars. His favorites are the 27 red ones, which make up 60% of his collection. How many toy cars does Samuel have?
Answer provided by our tutors
let x = the number of toy cars that Samuel has
60% of x are 27
0.60*x = 27
by solving we find
x = 45 cars
The dimensions would be 21 m by 21 m.
To maximize area and minimize perimeter we use dimensions that are as close to equivalent as possible; 84/4 = 21, so we can use a square with side length 21.
If it's not 6 cubic feet (because by the wording the answer is given).
If one dimension of the amount of soil they remove is 6, then you have to do 6*6*6= 216
If the total amount of soil removed is 6 cubic feet, then the dimensions of the cube would be
The answer is B. 2.5+(-1.5)=1.0