Mid-Topic 4 Test

#1 Solve the equation using properties of equality. 14c = 77. The value of c is _____

#2 Solve the equation using properties of equality. Show all your work & circle your answer—remember to check. r + 3.68 = 18. The value of r is _____

#3 Solve the equation using properties of equality. 92.4 = u – 37.82. The value of u is _____

#4 Solve the equation using properties of equality. Show all your work & remember to check. (5/14)e = 6/7

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#5 Tell whether the equation 152 ÷ n = 21 is true for n = 8. (use substitution to prove your answer)

• True

• False

#6 The area (A) of a rectangular picture frame is 93.5 square inches. The length (L) of the frame is 11 in. The area formula for a rectangle is A = Lw. Write and solve an equation to find the width, w, of the picture frame.

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#7 Write the equation for the following: A fraction, f, multiplied by 1/3 equals 2/9.

#8 629 divided by c equals 17. Write the equation: 629 ÷ _____ = 17.

#9 Jazmin triples her money, m. She now has $180. The equation is _____

#10 The inverse operation for addition is

• Multiplication

• Subtraction

• Division