Math
posted by Kristen .
Fred is closing a bank account t and wants to distribute the money among his grandchildren by giving each of them $20. To do this Fred needs an additional $62 . Instead he gave each grandchild $17 and had $7 left over. How many grandchildren does Fred have? How much money did he have in the bank account?

let the number of grandchildren he has be n
so total money = 17n + 7
20n = 17n+7 + 62
3n = 69
n = 23
total money = 17(23)+7 = $ 398
And he has 23 grandkids
check:
if he wanted to give each $20,
he would need $ 460,
But he has only 398, which is $ 62 short of what he needs.
He has 23 grandchildren, WOW
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