Twenty-two percent of the seventh-grade class at Santa Ana Middle School has blue eyes. If the seventh-grade class has 139 students, about how many have blue eyes?

30.58

Step-by-step explanation:

If you turn the 20% into a decimal you get .25 and do the equation .25x 139. This gives you 30.58

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.