Carol has $60 and saves $9 per week. Mike has $90 and saves $3 per week. How many weeks before Carol and Mike both have the same amount of money?
Let x = the number of weeks.
60 + 9x = 90 + 3x to set them equal.
9x = 30 + 3x
6x = 30
x = <<5=5>>5
In 5 weeks they will have equal money.
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human
Carol has $60 and saves $9 per week. Mike has $90 and saves $3 per week. How many weeks before Carol and Mike both have the same amount of money?
gpt
Let x = the number of weeks.
60 + 9x = 90 + 3x to set them equal.
9x = 30 + 3x
6x = 30
x = <<5=5>>5
In 5 weeks they will have equal money.
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