Problem 1
Fill in the blanks. __________ means parts per one hundred.
Problem 2
Fill in the blanks. Any number that makes an equation true when substituted for the variable is said to ___________ the equation. Such numbers are called__________
Problem 2
Fill in the blanks. An _____ triangle is a triangle with two sides of the same length.
Problem 2
Fill in the blanks. In the statement "10 is \(50 \%\) of \(20, " 10\) is the ________ \(, 50 \%\) is the percent, and 20 is the ________.
Problem 3
Fill in the blanks. A linear equation that is true for any permissible replacement value for the variable is called an ______.
Problem 5
a. Adding the same number to __________ sides of an inequality does not change the solutions. b. Multiplying or dividing both sides of an inequality by the same _________ number does not change the solutions. c. If we multiply or divide both sides of an inequality by a _________ number, the direction of the inequality symbol must be reversed for the inequalities to have the same solutions.
Problem 8
Translate each sentence into an equation. Do not solve. a. 12 is \(40 \%\) of what number? b. 99 is what percent of \(200 ?\) c. What is \(66 \%\) of \(3 ?\)
Problem 8
Determine which concept (perimeter, area, or volume) should be used to find each of the following. Then determine which unit of measurement, ft, \(\mathrm{ft}^{2},\) or \(\mathrm{ft}^{3},\) would be appropriate. a. The amount of storage in a freezer b. The amount of ground covered by a sleeping bag lying on the floor c. The distance around a dance floor
Problem 10
Use estimation to determine if each statement is reasonable. a. 18 is \(48 \%\) of 93 b. 47 is \(6 \%\) of 206
Problem 14
Solve each equation. \(0.12 x+0.20(4-x)=0.6\)