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A STORE IS GIVING AWAY A $10 COUPON TO EVERY 7TH PERSON TO ENTER THE STORE AND A $25 COUPLON TO EVERY 18TH PERSON TO ENTER THE STORE. WHICH PERSON WILL BE THE FIRST TO GET BOTH COUPONS?
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A STORE IS GIVING AWAY A $10 COUPON TO EVERY 7TH PERSON TO ENTER THE STORE AND A $25 COUPLON TO EVERY 18TH PERSON TO ENTER THE STORE. WHICH PERSON WILL BE THE FIRST TO GET BOTH COUPONS?

User Dyaniyal Wilson
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The lowest common factor of 7 and 18 is 126 (this is a number that both 7 and 18 multiply into, in fact by each other). This means the 126th person will be the first to get both coupons.
User Vasif
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