Check In Review 1 BOOKMARK
✓ CHECK ANSWE
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Limousine Company P and Company R both charge a rental fee plus an additional charge per hour.
• The equation y = 50 + 302 models the total cost (in dollars), y, of renting a limousine from Company P for 2 hours.
• The table below shows the cost to rent a limousine from Company R for different lengths of time.
Company R
2
3
4
Time (hours) 1 2 3 4 5
Total Cost $100 $125 $150 $175 $200
Which statement accurately compares the per hour charges of the two companies?
A Company P charges $25 more per hour than Company R.
5
B Company P charges $5 more per hour than Company R.
© Company P charges $5 less per hour than Company R.
O Company P charges $25 less per hour than Company R.
7 LES

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no this is a nonlinear negative

delaney would like to make a 5lb nut mixture that is 60% peanuts and 40% almonds.

she has several pounds of peanuts and several pounds of a mixture that is 20% peanuts and 80% almonds.

let 'p' represent the number of pounds of peanuts needed to make the new mixture, and  

let 'm' represent the number of pounds of the 80% almond-20% peanut mixture.

:

p + m = 5

therefore

m = (5-p)

write an equation based on the percent of peanuts

1p + .2m = .6(5)

replace m with (5-p)

p + .2(5-p) = .6(5)

p + 1 - .2p = 3

p - .2p = 3 - 1

.8p = 2

p = 2/.8

p = 2.5 lbs of peanuts required

then

5 - 2.5 = 2.5 lbs of the peanut/almond mixture required

:

a) what is the system that models this situation?

p + m = 5

1p + .2m = .6(5)