4/12 for giving blue
3/11 for giving yellow
4/12*3/11=1/11
Answer:
374.4
Step-by-step explanation:
All items related to the maintenance are 20% more expensive, it means that each datum is 20% bigger including the average.
The variance its a dispersion measurof the data and its calculated of this way:

Here n is the number of data,
is the average and
represent each datum. The increment in 20% in each parameter can be represented multiplying for 1.2, of this way

Factorizing the 1.2 we have:



That is:

The new variance is 
The total cost of the lease would be $17,200. This is because $300 payment for 24 months is equal to $7,200 + $1,000 (down payment) and + the residual value of $9,000 = $17,200.
The Answer is: $4.50 for 75 copies. Each copy is .06
18 will go into 50 2.77777777778.
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