Answer:
she sold 84 CD's last week
Step-by-step explanation:
Answer:
5/25 then 12/24
Step-by-step explanation:
find the total amount of marbles (which 25). you have 5 blue, which means you have a 5/25 chance of picking a blue marble. if you keep the blue marble that leaves you with 24 marbles to pick from. you have 12 red, meaning you have a 12/24 chance of picking a red marble.
Answer:
Step-by-step explanation:
From the question,
The total number of marbles in the bag,n(S) =10.
The number of black marbles,n(B)=7
The probability that both marbles are red means that, the first marble is red and the second marble is red.
P(1st marble is Black)=
Since Petra picked the first marble without replacing it, the total number of the marbles will reduce by 1. Same is applied to the number of black marbles.
This implies that,
P(2nd marble is black)
P(both are black)=
Answer:
37.50÷75=0.5 so first you are dividing bcus u need to find what percentage she has saved.
6x and -6x cancel each other out.
You are left with -1y=6
Therefore, y=-6
6x-4(-6)=6
6x+24=6
Subtract 24 from both sides.
6x=-18
Divide both sides by 6
X=-3
Final answers: x=-3 y=-6