Answer:
Step-by-step explanation:
Given
There are
4 country music CD
1 rock and roll CD
2 rap CD
3 Tejano CD




Answer:
70
Step-by-step explanation:
Answer:
15 children can divide them with eachother, each get 2 sweaters and 3 trousers
Step-by-step explanation:
15×2=30
15×3=45
Answer:
The answer is below
Step-by-step explanation:
The electrical resistance R of a wire varies inversely with the square of its diameter d:
R ∝ 1 / d
Let k represent the constant of proportionality, hence we can represent the statement as an equation:

In both cases, we can use a rule of three.
<h2>First part</h2>

Therefore, 4 students correspond to 20% of 20 students in total.
<h2>Second part</h2>

Therefore, 2 doctors correspond to 8% of 25 doctors in total.