SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Write the formula for probability

STEP 2: Get the probability of Chang wearing the white shirt

STEP 3: Get the probability of Chang wearing tan pants

STEP 4: Get the probability that he wears a white shirt and a tan pant
According to the multiplicative law of probability,

Therefore, the probability of wearing both outfits is:

Hence, the probability that he wears a white shirt and a tan pant is:
1/4 as a fraction
0.25 as a decimal
25% as a percent