I hope this helps you
9/9+18=x/x+10
9/27=x/x+10
1/3=x/x+10
3x=x+10
x=5
Answer:
The speed is equal to 
Step-by-step explanation:
we know that
The speed is equal to divide the distance by the time
Let
x------> the distance in miles
y-----> the time in hours
s----> the speed in mph
so

In this problem we have


substitute

Well, this depends on the number of topping ingredients you have for each serving of nachos. The general solution will be simply to add all the topping ingredients for each type. Assuming there is an average of 7 topping ingredients for every type, namely: cheese<span>, fried beans, sour cream, onions, jalapeños, salsa, and guacamole. Hence,
Topping Ingredients = 7*256 = 1,792</span>
The second one because since n is not negative then nothing will be in the denominator