Tutors Answer Your Questions about Age Word Problems (FREE)
Question 1172156: A boy is y years old. His father is 31 years older than he is. The boy has a sister who is 3 years younger than the boy. The sum of their ages is 61 years (that is, the sum of the ages of boy, girl and father). How old is the boy?
Click here to see answer by ikleyn(52803)  |
Question 1172232: Liu Tse is 6 years older than four times the age of her daughter, Lan. Lan will be 9 years old in 3 years.
A photo of a mother and daughter lying in the grass is shown.
Question 1
Part A
Write and evaluate an expression that shows Lan’s age.
Click here to see answer by josgarithmetic(39620) |
Question 1172232: Liu Tse is 6 years older than four times the age of her daughter, Lan. Lan will be 9 years old in 3 years.
A photo of a mother and daughter lying in the grass is shown.
Question 1
Part A
Write and evaluate an expression that shows Lan’s age.
Click here to see answer by MathTherapy(10552)  |
Question 879256: Bill and Jenna are solving the quadratic equation x 2 - x = 12.
Bill solved this way Jenna solved this way
x2 - x = 12
x(x - 1) = 12
x = 12 or 13 x2 - x = 12
x2 - x - 12 = 0
(x - 4)(x + 3) = 0
x = 4 or x = -3
Which student is correct?
What error did the other student make when solving?
Click here to see answer by Riley12(3) |
Question 879256: Bill and Jenna are solving the quadratic equation x 2 - x = 12.
Bill solved this way Jenna solved this way
x2 - x = 12
x(x - 1) = 12
x = 12 or 13 x2 - x = 12
x2 - x - 12 = 0
(x - 4)(x + 3) = 0
x = 4 or x = -3
Which student is correct?
What error did the other student make when solving?
Click here to see answer by ikleyn(52803)  |
Question 879256: Bill and Jenna are solving the quadratic equation x 2 - x = 12.
Bill solved this way Jenna solved this way
x2 - x = 12
x(x - 1) = 12
x = 12 or 13 x2 - x = 12
x2 - x - 12 = 0
(x - 4)(x + 3) = 0
x = 4 or x = -3
Which student is correct?
What error did the other student make when solving?
Click here to see answer by Alan3354(69443)  |
Question 1173015: The Length of a rectangle is 4 feet less than 3 times its width. The perimeter of the rectangle is 54 feet. What equation can be used to find the width (w) of the rectangle ?
a (3w-4)+2w=54
b 2(3w-4)+2w=54
c w(3w-4)=54
d 2(4w-3)+2w=54
Click here to see answer by ikleyn(52803)  |
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