Seudónimo Seudónimo
  • 23-02-2016
  • Mathematics
contestada

Sue wants to use mental math to find 7x53. Write an expression she could use

Respuesta :

SmarticalParticals
SmarticalParticals SmarticalParticals
  • 23-02-2016
7 × 50 = 350 and 7 × 3 = 21

350 + 21 = 371
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Аноним Аноним
  • 23-02-2016
50x7=350 and we need to make 371 because 53x7=371 So then you do 3x7=21 

Then  350+21=371  

Hope this helps!
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