Answer:
60 lb
Step-by-step explanation:
Represent the weights of the dogs by P and C. Then P = 3C.
Then P + C = 80, or, after substitution of 3C for P,
3C + C = 80, or
4C = 20, so that C = (20 pounds)
Paula's dog weighs 3 times as much as Carla's: P = 3(20 lb) = 60 lb
Answer:
7.5
Step-by-step explanation:
It is greater because it is closer to 8.
Answer:
98.25
Step-by-step explanation:
Order of Operations: BPEMDAS
Step 1: Convert 
= ∛(27⁴) = 81
Step 2: Convert 
= 16
Step 3: Convert 
= 1.25
Step 4: Combine
81 + 16 + 1.25
97 + 1.25
98.25
Just add the exponents so the answer would be : x^7