Isabel had 12 pages of history and 12 pages of science assignments to read. It took her 10 minutes to read a page of history. She spent a total of 216 minutes to complete all of her reading assignments.

Let x be the time it took Isabel to read one page of science.

25/4

step-by-step explanation:

call segment cd's length x. because dc and ab are parallel, angle acd and cab, so triangles adc and abc are similar and we can set up the equation x / ac = ac / ab, or x / 5 = 5 / 4 and x = 25/4.

i would go with the first one

step-by-step explanation:

hope this