Module 7 - Writing Equations From
Word Problems With Complete
Solutions Latest Update
equation ANS✔✔ a mathematical sentence whose verb is 'equal' (=)
variable ANS✔✔ a letter or symbol used to represent an unknown
Which of the following represents "the average of 171 and x "? ANS✔✔ (171
+ x)/2
A house costs $600 more than 12 times the lot on which it was built. If the lot
cost x dollars, what did the house cost?
Which expression represents this? ANS✔✔ $600 + 12x
Choose what the variable or expression below represents within the context of
the word problem.
The length of a rectangle is 12 inches more than its width. What is the width of
the rectangle if the perimeter is 42 inches?
x best represents .
x + 12 best represents . ANS✔✔ the width of the rectangle
, the length of the rectangle
Select the equation that most accurately depicts the word problem.
A 3-pound tub of butter at n dollars per pound costs $3.85. ANS✔✔ 3n =
3.85
Select the equation that most accurately depicts the word problem.
One-half of a certain number is 95. ANS✔✔ 1/2 · n = 95
Jeri is 3 years younger than Laura, whose age is x . How old is Jeri? ANS✔✔
x - 3 yrs old
Choose what the expressions below best represent within the context of the
word problem.
If Sarah is 24 years younger than her mother and if the sum of their ages is 68,
how old is Sarah?
x best represents .
x - 24 best represents . ANS✔✔ the mother's age
Sarah's age
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