Steven has the following outfits to wear to work: Two pairs of pants: gray and blue four shirts: white, red, orange, and yellow, two pairs of shoes: tan and black.

The tree diagram displays the combination of outfits Steven can create. What is the probability that Steven's outfit will include a yellow shirt for the day?

a.
1/5
b.
1/2
c.
3/8
d.
1/4

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.

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: