It is true. The triangles are congruent.
we have

we know that


so



the answer is in thousandths, because the denominator of the multiplication of the two fractions is one thousand
The answer if I am correct should be C. 6, since if you divide forty-eight by two you get twenty-four. Twenty-four divided by four equals six, and twenty-four divided by three equals eight, eight is the number that would be the remaining amount of days. Hope this helps you and have an amazing day!