Datan asks you "Hey Yosief, I have a question for you, if I gives 4 chocolate bars to each child at my party, I will have 38 left. If I give 7 chocolate bars each, I will have 2 chocolate bars left. How many children were there at my birthday party?"
1 Answer
Sep 30, 2016
There were
Explanation:
Le the number of children at Datan's birthday be
If he gives
If Datan gives
Hence, as the two should be equal, we have
or
or
i.e.
There were