grita buys a 50 pounds of dog food for 30$ and 28 pounds of cat food for 18.20$. Which costs less per pound?
1 answer:
You might be interested in
Answer:
Option The area is increased by a factor of
Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its areas is equal to scale factor squared
Let
z-----> the scale factor
x------> the area of the dilated rectangle
y------> the area of the original rectangle
we have
------> is an enlargement
so
substitute
therefore
The area is increased by a factor of