Brain Teasers
Generous Grandpa
Grandpa was feeling generous, so he gave
$100 to his five grandchildren. Starting
with the youngest, each got $2.00 more than the next younger one. In other words, the youngest got one sum, the next got $2.00 more, and so on.
How much did the youngest grandchild get?
$100 to his five grandchildren. Starting
with the youngest, each got $2.00 more than the next younger one. In other words, the youngest got one sum, the next got $2.00 more, and so on.
How much did the youngest grandchild get?
Answer
$16Hide Answer Show Answer
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Comments
x + (x + 2) + (x + 4) + (x + 6) + (x + = 100
5x = 80
x = 16
5x = 80
x = 16
= 8 + )
or figure the middle child gets the same as if the money were just divided equally $20. younger gets $2 less. Youngest gets $4 less, i.e. $16.
Nice solution Stil!
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