catherine12345 catherine12345

03-04-2015
Mathematics

contestada

1, the difference between 42 and 19
2,100 decreased by 77
3 ,30 more than 20

plz answer all of above

Respuesta :

03-04-2015

difference means subtraction so
decreased means subtraction
more than means addition

1. 42-19 = 23

2. 2100-77 = 2023

3. 330+20 = 350

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