DAY 120
Find the number whose double is greater than its half by 45.

Answer:

30...........2X = X/2 + 45

DAY 121
A well is 10 feet deep. A frog at the bottom climbs up 5 feet during the day, but falls back 4 feet during the night. On which day does Froggie get to the top?

Answer:

On Day 6..........On the fifth day the frog has climbed 5 feet. On the sixth day he climbs five feet to the top (ten feet) and climbs out.