Which of following isn't classification number given below?

-3.2

real number
rational number
decimal
integer

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

$113.42

i hope that is right.

step-by-step explanation:

2y+y=5

add 2y and y

the answer is d=3.09