D. 23/30 This is saying that out of 30 days, 23 of them she saw a ladybug, which means that each day, there is a 23/30 chance of finding one.
Ok, so 3 and 10, remember that, then remember 1 and 2. Subtract them both, and that will be your average speed.
The answer to this question is 120 cm . you multiply 10 times 12 and u get 120.
