Luis ate three of the eight pizza slices. he paid $2.70 as his share of the cost. how much did the whole pizza cost?

$7.20 is how much it costed for a whole pizza

Okay. Luis ate 3 of the eight slices of pizza and paid $2.70 for his part. We can divide by 3 to find the cost per slice. 2.7/3 is 0.9. The cost is $0.90 per slice. Now, we can multiply by 8 to find the total cost of the pizza. 0.9 * 8 is 7.2 There. The whole pizza costed $7.20.

Yes i also think it is b

7.666270253x10 raised to the 18th power