The dimensions of the base of Box 1 arex by 3x. The base area of Box 1 is:
3x
312
O 3x
4x

it’s supposed to be -4+45=41

step-by-step explanation:

x=0

step-by-step explanation:

the answer is:

mean: 6

mad: 2.14

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.