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Help plz I'm desperate ​

Help plz I'm desperate ​-example-1
User JoSSte
by
8.1k points

1 Answer

3 votes

Anna:

1st month = 18 +
(3)/(4) = 18
(3)/(4) inches

2nd month = 18
(3)/(4) +
(3)/(4) = 19
(1)/(2)

3rd month = 19
(1)/(2) +
(3)/(4) = 20
(1)/(4)

4th month = 20
(1)/(4) +
(3)/(4) = 21

5th month = 21 +
(3)/(4) = 21
(3)/(4)

Grace:

Because Anna is
(9)/(4) inches shorter than Grace, we can start the count from the third month:

1st month = 20
(1)/(4)

2nd month = 21

3rd month = 21
(3)/(4)

4th month = 21
(3)/(4) +
(3)/(4) = 22
(1)/(2)

5th month = 22
(1)/(2) +
(3)/(4) = 23

User Holt Skinner
by
8.0k points

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