A. 5
(2,4,5,7,9)
5 is in the middle between 4 and 7.
Answer:
he is putting 225 in his account
Step-by-step explanation:
450 ÷ 2 = 225
divide by 2 because it say half
The next 2 answers are: -2/5 and -3/5
31/40
replace 77.5 with 775/10
simplify to get 155/2
divide by 100 to get 31/40