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20 Becky wanted to grow out her hair. She measured the growtheach month. The first month her hair grew 1.775 centimeters.The next month it grew 1.45 centimeters. The third month it grew1.2 centimeters. How many centimeters did her hair grow in thethree months?Show your work.

Respuesta :

4.425 cm

1) Gathering the data from the question

1st month = 1.775 cm

2nd month =1.775 +1.45

3rd month = 1.775 +1.45+1.2

2) So to find that out, we need to sum it all, dot over the dot. For the nonexisting digits, we can add zero (in bold)

3rd month = 1.775 +1.45+1.2

1.775

1.450

1.200

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4.425 cm

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