This would be y = m x + b
3(3-y)+1=31
9-3y+1=31
10-3y=31
-3y=31-10
-3y=21
y=-21/3 = -7
the solution is y=-7
Total cupcakes = 20
Vanilla cupcakes = 1/5 x 20 = 4
Chocolate cupcakes = 3/4 x 20 = 15
Cupcakes that are not vanilla or chocolate = 20 - 4 - 15 = 1
Answer: 1 cup cake is not vanilla or chocolate.
Answer:
The first one is right but the second one is wrong. It should be option 3.
Step-by-step explanation: