The area of the room must equal the sum of the areas of the tiles...
20*30=n(2*3)
600=6n
n=100
So 100 tiles are needed.
Answer:
Step-by-step explanation:
Known facts
- Marisol burned 670 calories
- Ling burned x fewer calories than Marisol
Setting up the equation
# of calories that Ling burned = Marisol's calorie - x = 670 -x
Hope that helps!
Answer:
x = 15
Step-by-step explanation:
let me know if you want an explanation
How many 3's are there in 18? 6! So we need 6 cups of carrots for 18 cups of chicken!
you just need to put the values of a and b where they have to be
.
hope I helped!