Asked by Eli
Every day Sally saved a penny, a dime, and a quarter. What is the least number of days required for her to save an amount equivalent to an integral number of dollars?
Answers
Answered by
Damon
.36 dollars a day
100 days = 36 dollars
50 days = 18 dollars
25 days = 9 dollars
humm, no more common factors
100 days = 36 dollars
50 days = 18 dollars
25 days = 9 dollars
humm, no more common factors
Answered by
Christine
25. The sum of a penny, a dime, and
a quarter is 36 cents. The number 36
factors into 2²•3². To get an integral
value in dollars, we must multiply by 5² so that the product ends in two zeroes.
Any multiple of 25 will work, but 25 is
the least of those values.
a quarter is 36 cents. The number 36
factors into 2²•3². To get an integral
value in dollars, we must multiply by 5² so that the product ends in two zeroes.
Any multiple of 25 will work, but 25 is
the least of those values.
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