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hoba
hoba hoba
  • 28-11-2016
  • Mathematics
Answered

sally is x years old and her sister ann is 4years younger. If the product of their ages is 140, form an equation in x and solve it to find ann's age

Verified Answer :

thedownloader
thedownloader thedownloader
  • 28-11-2016

y beeing her sister age
x being her age

y=x-4
140=x+y

140=x+x-4
140=2x-4
144=2x
72=x

She is 72 and her sister is 68

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