Math Expressions And Equations Homework Worksheet - 6th Grade, Union-Endicott Central School District Page 21
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39Expressions & Equations: HW # 60
Name: ___________________________
Date: ______________
Period: _____________
You must show all your work for each problem including the multiple choice questions to receive credit.
You may use a calculator, but if you type it you must write it down!
1) The number of restaurants on Boland Street is 3 less than 4 times the number of restaurants, r, on Macaw
Street. Which expression can be used to determine the number of restaurants on Boland Street?
a) 7r
b) 12r
c) 3-4r
d) 4r-3
2) What algebraic expression represents "three times the difference of a number, x, and nine equals 15?"
a) 9x - 3 = 15
b) 3(9) - x = 15
c) 9 - 3x = 15
d) 3(x - 9) = 15
3) Solve for the missing variables below by using cross-products.
70
15
6
15
0
9 .
x
=
=
=
x
21
14
x
1
6 .
0
5 .
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