Amusic store gives every 20th customer a $5 gift card. every 50th customer gets a $10.00 gift card. which customer will be the first to receive both types of gift cards?

100th customer is your answer

Find the first number that shows up on both answers when they are added

Add 20 each time for $5 gift card:

20, 40, 60, 80, 100

Add 50 each time for $10 gift card:

50, 100

As seen above, the first number that shows up on both is 100, therefore, 100 is your answer

hope this helps

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step-by-step explanation: