Alan had thrice as many stickers as Janani. After Alan and Janani had given 40% and 20% of their stickers to Wendy respectively, the number of stickers that Wendy had increasedby1/4.Wendyhad1680stickersintheend.HowmanystickerdidJanani have in the end?
1 Answer
Janani now has 192 stickers.
Explanation:
Let's solve this as a system of equations.
First, let's replace
So,
Now let's multiply by 2.5 to get 0.4a to be 1a.
If
So, Janani HAD 240 stickers. Remember, we only need to find how many Janani had in the end. If she ended up giving 20% of the stickers to Wendy, then she had 80% of her 240 stickers left. This means Janani then had 240 x 0.8, or
Final Answer