Rational number between 5.2 and 5.5

5.252525...

Step-by-step explanation: Since this decimal does not terminate, it could be an irrational number. However notice that the 25 after the decimal point repeats and remember that repeating decimals are rational numbers.

Therefore, 5.252525... is an example of a rational number.

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.