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 :

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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