Use Cymath it helps and give u the answer
Ratio and proportion
x/300=67/100
cross multiply
100x= 20100
x= 201 students
hope this helps
Answer:
when she sold 10 cards, it will cover all her cost.
Step-by-step explanation:
Profit(without charge of booth)=5x-2x
Profit=3x-30
Calculating:
3x=30
x=10
Explanation

When taking derivatives of polynomials, we primarily make use of the power rule.
Power rule.

also, the derivate of a sum is the sum of the derivates
hence

Step 1
apply:

therefore, the answer is
Answer:
the answer is ac line segment