Answer:
-1
Step-by-step explanation:
Answer:
i can't see the picture
Step-by-step explanation:
Answering your question on "9 students can make a poster in 10 hours. How many students should join them so that they all together can make this poster in 6 hours" its 13 students
Which number type? I'd go with Whole numbers or integers, since the steps are just whole values one step after the next.
well, an appropriate domain, namely the inputs, well, He's on the 5th step, there are 15 steps, so he's really 10 steps away from the top of the ladder, and going down N being negative, he's -5 steps from the ground.
{ N | N ∈ ℤ , -5 ⩽ N ⩽ 10 }
