Bert and Ernie Were Determining the PH of Their Goldfish's

Multiple Choice

Bert and Ernie were determining the pH of their goldfish's water. Bert's pH meter was in the fix-it shop, so Ernie used his pOH meter instead. Ernie insists that he can use the reading to calculate the pH by simple addition or subtraction that he learned in second grade, but Bert (showing off as usual) claims that the calculation involves finding an antilogarithm, dividing, and then finding a logarithm. This would make use of all the math he learned in third grade. Who is right?

A) Ernie
B) Bert
C) both
D) neither