30%. You want to add up all the muffins (which is 40) and make that your denominator. then as the numerator you make it as many blueberry muffins Anna has. (which is 12) you divide 12÷40×100. and that gives you a percent of 30.
Hello!
If there is 4 faces and 1/4 chance of any side end up face down, we just have to decrease one chance, so, the chance of the face "2" does not end up face down is equal the sum of the chances of the others faces end up face down, so, we have: 3/4.
Hugs!
Temperature at mid-night
=235+(-485)
=-250 degrees, whatever the unit was (C,F, R, K).

The above expression has an exponent between 0 and 1. This number is 1/2 or 0.5.