let's set up an equation
4x=24
solve normally:
x=6
so the expression is 4x=24 and she can have 6 kids in each group
Answer: 3300 teenagers
Step-by-step explanation:
10/100
330/x
After you cross multiply then divide, x equals 3300.
For this case, we must find an expression equivalent to:

By definition of power properties we have:

Rewriting the previous expression we have:
The "-" are canceled and we take into account that:

So:

According to one of the properties of powers of the same base, we must put the same base and add the exponents:

Answer:

Option B
No she needs four more ounces of cheese to make 2 batches of mac n cheese and 3 pizzas