Sixty photos taken at a photo shoot are in black and white. if this represents 15 percent of the total number of photos taken, which equation can be used to find the total number of photos?

a. 60×4/15×4 = 240/60

b. 60÷4/100÷4 = 15/25

c. 60÷10/100÷10 = 6/10

d. 15×4/100×4 = 60/400

D. 15×4/100×4 = 60/400

Step-by-step explanation:

First I figured out how many photos there are in total, which was by doing 60/.15, since only 15% of the total photos are in black and white. We can already cross out all possibilities that don't have the denominator 400, but we can go a step further by seeing which one is 60/400, or equal to 60/400, which is D. 15×4/100×4 = 60/400.

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step-by-step explanation: