Shynna designed her perfect wedding cake. She wants to have 3 layers with smooth white frosting on the cake. The first layer will have a 24-inch
diameter, the second layer will have an 18-inch diameter and the top layer
will have a 10-inch diameter. Each layer will be 6-inches tall. How many
square inches of frosting will show on the surface of the cake? (round to the
nearest square inch and note you will not frost the bottom of the cake)

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)

c-   36

taxicab circle radius 9 has 4(9) = 36 points

answer: 60%

explanation:

÷

= 60%

there should be an link icon on the bottom of the text box you get. it looks like a paperclip!