Answer:
264
Step-by-step explanation:
(251 + 277) / 2 = 264
Answer:
79.6 dollars saved
Step-by-step explanation:
Mail
4 times 54.90 equals 219.6
4 times 6.50 equals 26
4 times 8.34 equals 33.36
219.6 + 26 + 33.36 = 278.96
Local store
332 times .08 equals 26.56
332 + 26.56 = 358.56
Difference
358.56 - 278.96 = 79.6
Answer: 
Step-by-step explanation:
Given

We can write it as

Express x in terms of y

Replace y be x to get the inverse

To prove, it is inverse of f(x). 

So, they are inverse of each other.
Step-by-step explanation:
step 1: how many dolphins
there are 6 sharks
sharks to dolphins is 3 to 5
3 S to 5 D
we can divide 6 (amount of sharks known) by 3, to get what a ratio of 1 is
6 ÷ 3 = 2
so 2 sharks is = 1 part or ratio
now we can times by 5 to get a ratio of 5
5 × 2 = 10
there are 10 Dolphins
Step 2: How many starfish
repeat the steps above but for the ratio 2: 7 where 2 is the Dolfin ratio and there are 10 dolphins
put in questions answer you got