Rob built a model of the 1903 Wright Flyer using a scale of 5
inches = 16 feet. If the wingspan
of his model is 12.5 inches long, find
the wingspan of the actual flyer.

find out the value of b

step-by-step explanation:

answer: just subtact the units and then add the non negative : happy to

step-by-step explanation:

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.