dodo17
dodo17 dodo17
  • 12-04-2017
  • Mathematics
contestada

Ayako and Joshua have a total of 59 sweets between them.
Ayako has n swsets.
Joshua has 3 fewer sweets than Ayako.

Work out the value of n.

Respuesta :

irspow
irspow irspow
  • 12-04-2017
a+j=59 so j=59-a

and j=a-3

j=j so

59-a=a-3  subtract a from both sides

59-2a=-3  subtract 59 from both sides

-2a=-62  divide both sides by -2

a=31

n=a=31

Ayako has 31 sweets.
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