Kathy stood on the middle rung of a ladder She climbed up 2 rungs, moved down 3 rungs, and then climbed up 7 rungs. Then she climbed up the remaining 3 rungs to the top of the ladder. How many rungs are there in the whole ladder? There werungs on the ladder Enter your answer in the answer box chega Type here to search Pilvacy Terms Settings AG 40 9/7/2019 8 .
Accepted Solution
A:
Answer:There are 19 rungs in the ladder. Step-by-step explanation: If Kathy climbed 2 rungs (+2), moved down 3 rungs (-3), climbed up 7 rungs (+7) and climbed up 3 more rungs (+3), the total rungs she climbed up was2 - 3 + 7 + 3 = 9 She was standing on the middle rung of the ladder so now we know that she had another 9 rungs below her and the total amount of rungs are:Rungs below here + rung she was standing on + rungs above her9 + 1 + 9 = 19 The ladder has 19 rungs.