A single act of intercourse is half as likely to produce a pregnancy for a woman between the ages of and as compared with a woman between the ages of 19 and 26.

The correct answer is 35; 39

Explanation: Generally, women are more fertile in their 20s, so fertility starts to decline as she reaches her late 20s. It is important to know that after 35 years of age, a woman's chances of having a baby naturally decline by an average of 50%.

i believe she will have 25 quarters.

step-by-step explanation:

your answer would b. the missisipi river

hope i you : )