Write the place value for the underlined digit.round each number to place of the underlined digit. 0.724
(7 is underlined)

10 pieces of candy will cost $0.20 cents

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Since we are given three values with one variable, and we also know that this is a ratio problem. Then we can use the Rule of Three technique to solve this problem. This technique as shown in the picture below can help us find the cost of 10 pieces of candy in a simple way.

1000 pieces   ⇒   $20

    10 pieces   ⇒   x

Finally, we can see that 10 pieces of candy will cost $0.20 cents

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