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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
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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
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May 27, 2017
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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
Mathematics
middle-school
Bigskull
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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
Figurine
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May 31, 2017
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