Isabel is 11 years old. This is 3 years more than twice her brother's age. How old is Isabel's brother? Let b = Isabel's brother's age. A. 3 - 2b = 11; b = 16 years old B. 2(11 - 3) = b; b = 16 years old C. 2b + 3 = 11; b = 4 years old D. 2b - 3 = 11; b = 7 years old

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Isabel is 11 years old. This is 3 years more than twice her brother's age. How old is Isabel's brother? Let b = Isabel's brother's age. A. 3 - 2b = 11; b = 16 years old B. 2(11 - 3) = b; b = 16 years old C. 2b + 3 = 11; b = 4 years old D. 2b - 3 = 11; b = 7 years old

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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Isabel is 11 yrs old. Let Isabel's age =x then we are told this is 3 more years than twice her brothers age. If her brother age is b, then that equates to 2b -3 i.e x (her age)= 2b -3
since she is 11, 2b-3 =11 and 2b = 11 +3 = 14 b = 14/2 which equals 7 therefore her brother is 7
answer is D

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