Please help me answer this thanks !

Define your variables: c = Cookie: $1              b = Pumkin Bread: $2

Equation:

Lady Gaga: 12c + 4b = 20

Katy Perry: 6c + 3b = 12

Step-by-step explanation:

Lady Gaga: 12c + 4b = 20

Katy Perry: 6c + 3b = 12

Solve using elimination

12c(-3) + 4b(-3) = 20(-3)

6c(4) + 3b(4) = 12(4)

-36c -12b = -60

24c + 12b = 48

-12c = -12

c = 1 (1 cookie is $1)

if we plug in 1 for c in Lady Gaga’s equation:

12(1) + 4b = 20

12 + 4b = 20

4b = 8

b = 2 (1 pumpkin bread is $2)

Define your variables: c = Cookie: $1              b = Pumkin Bread: $2

Equation:

Lady Gaga: 12c + 4b = 20

Katy Perry: 6c + 3b = 12

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m