A tourist leaves South Africa in the evening when the temperature was 13°C and arrives the next day in Dublin where the temperature is - 7°C. What is the change in temperature that the tourist experience?

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.

where is the picture

step-by-step explanation: