Question 1

Suppose that two items cost $56. If one of the items costs $26, what is the cost of the other item? $ __________

Accepted Answer

The answer of Suppose that two items cost $56. If...

Question 2

The length of a rectangular floor is 17 meters. This length is 3 meters less than four times the width of the floor. Find the width of the floor. __________ meters

Accepted Answer

The answer of The length of a rectangular floor is...

Question 3

When the equation is not true under any conditions, then the equation is called a contradiction.

Accepted Answer

This is correct. A contradiction means that there are no solutions that make the equation true, so it is never true under any condition.

Question 4

An executive is earning $156,000 per year. This is $12,000 less than twice her salary 7 years ago. Find her salary 7 years ago. $ __________

Accepted Answer

The answer of An executive is earning $156,000 per year....

Question 5

Todd is on a 1,800-calorie-per-day diet plan. This plan permits 650 calories less than twice the number of calories permitted by Lerae's diet plan. How many calories are permitted by Lerae's plan? __________ calories

Accepted Answer

The answer of Todd is on a 1,800-calorie-per-day diet plan....

Question 6

When the solution to the equation is 1, the equation is called an identity.

Accepted Answer

When the solution to an equation is 1, it simply means that the equation is satisfied by the value 1. However, this does not necessarily make it an identity. An identity is an equation that is true for all possible values of the variable.

Question 7

Solve the equation. 20 $-$ 10 s = 15

Accepted Answer

The answer of Solve the equation. 20 $-$ 10 s...

Question 8

Solve the equation. 28 = $-$ 8 $-$ 4 a a = __________

Accepted Answer

The answer of Solve the equation. 28 = $-$ 8...

Question 9

The first step after reading a word problem is to write the equation to be solved.

Accepted Answer

The first step is to understand the problem by reading it carefully and identifying what is being asked, before attempting to write the equation.

Question 10

Chris bought 5 pizzas for a total of $22. What was the price per pizza? $ __________

Accepted Answer

The answer of Chris bought 5 pizzas for a total...

Question 11

Seven years ago Rosa was 27 years old. Find Rosa's present age. __________ years old

Accepted Answer

The answer of Seven years ago Rosa was 27 years...

Question 12

Solve the equation. $-$ 8 t + 5 = 21 t = __________

Accepted Answer

The answer of Solve the equation. $-$ 8 t +...

Question 13

Tracy received a cell phone bill for $132.24. Included in the $132.24 was a charge of $39.99 for the monthly plan and a charge for 205 extra minutes. How much is Tracy being charged for each extra minute? $__________

Accepted Answer

The answer of Tracy received a cell phone bill for...

Question 14

Fourteen added to a certain number is 25. What is the number?

Accepted Answer

The answer of Fourteen added to a certain number is...

Question 15

Randall is following a 2,890-calorie-per-day diet plan. This plan permits 610 calories less than twice the number of calories permitted by Britney's diet plan. How many calories are permitted by Britney's plan? __________ calories

Accepted Answer

The answer of Randall is following a 2,890-calorie-per-day diet plan....

Question 16

If nine times a certain number is subtracted from 49, the result is 4. Find the number.

Accepted Answer

The answer of If nine times a certain number is...

Question 17

Solve the equation. 15 $-$ 10 b = 25

Accepted Answer

The answer of Solve the equation. 15 $-$ 10 b...

Question 18

Solve the equation. 26 = $-$ 6 $-$ 11 a Please express your answer as an improper fraction. Do not use mixed numbers in your answer.

Accepted Answer

The answer of Solve the equation. 26 = $-$ 6...

Question 19

The sum of the measures of the three angles of a triangle is $180 ^ { \circ }$ .

Accepted Answer

This is a fundamental property of triangles. The sum of the measures of the three angles of any triangle always adds up to 180 degrees.

Question 20

Stacy worked 6 hours Saturday at $8.50 per hour. How much did she earn? $ __________

Accepted Answer

The answer of Stacy worked 6 hours Saturday at $8.50...

Quiz 3: Equations, Inequalities and Problem Solving