Robert buys 3 pounds of bananas at s0.50 per pound and 3 pounds of apples at $1.00 per pound. which of the following expressions represents the total cost of the fruit he bought (in dollars)?

(.50 x 3) + (1.00 x 3) = f

(1.50) + (3.00) = f

$4.50 = f

this should help figure it out

answer: 40392

step-by-step explanation:

10098 x 4 = 40392

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)