What is another way to express the perimeter of a triangle with side lengths of x − 1, 2x + 1, and 2x − 2?
Which of the following is the better buy?
A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price. The customer was charged a 7% tax when the DVD was sold. What was the customer’s total cost for the DVD?
Charis invested $140. She earned a simple interest of 3% per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Charis received at the end of two years?
What value of y makes the equation true?
The table shows how much a store charges for certain number of pencils.
Which equation can be used to represent the table above?
Jocelyn was shopping at a farmers’ market. She observed the prices of cucumbers at several stands. Which sign shows a proportional relationship in the pricing of the cucumbers?
Evaluate the following.
A cell phone company charges an monthly fee of $45 plus $12.50 for each gigabyte of data that is used. Carl wants to spend no more than $120 this month on his cell phone bill. Which inequality can be used to determine the maximum gigabytes of data Carl can use this month?
A salesman has to go from San Diego to Houston. On the map the distance measures 2.5 inches. The scale on this map shows that 1 inch = 48 miles. Using this scale, how many miles long is his trip?
A circular clock face has a diameter of 16 inches. What is the approximate area of the clock face?
Last year 950 people attended a town's annual parade. This year 1,520 people attended. What was the percent increase in attendance from last year to this year?
Solve for x:
Carmine paid an electrician x dollars per hour for a 5-hour job plus $70 for parts. The total charge was $320. Which equation can be used to determine how much the electrician charged per hour?
The Jackson family went to Apple Blossom Restaurant for dinner. Their bill was $46.55. Mr. Jackson wants to leave their server a 20% tip. How much will Mr. Jackson leave in all?
Evaluate the following expression when x = -4 and y = 8:
Which expression is equivalent to the following:
The table shows the cost of Girl Scout cookies. In order to continue the proportional relationship, how much would 5 boxes of cookies cost?
During a sale, a store offered a 40% discount on a particular camera that was originally priced at $450. After the sale, the discounted price of the camera was increased by 40%. What was the price of the camera after this increase?
The graph below shows the relationship between the number of people in a group and the total cost of admission tickets for a circus.
Which equation can be used to represent the relationship between the number of people and the total cost of admission to the circus?
Lynn and her family went to Outback Steakhouse for dinner. The total bill for dinner was $120.00. Lynn’s mom had a 15% off coupon. How much will the dinner cost after the coupon was applied and an 8.5% tax?
Mrs. Taylor has $59.50 to spend at the mall. She wants to buy a pair of shoes that cost $32.50, plus some notebooks for her daughter that cost $6.75 each. How many notebooks can Mrs. Taylor buy?
When a song is sold by an online music store, the store takes some of the money and the singer gets the rest. The graph below shows how much money a pop singer makes given the total amount of money brought in by one popular online music store from sales of the song.
Which equation can be used to show the relationship between dollars earned by the pop singer, y, to dollars brought in by sales of the song, x.
Sal works at a used car dealership and earns 5% commisssion on each car he sells. Last week he sold one car for $18,500 and another car for $20,500, how much commision did he earn last week?
Kim has a circular garden in her backyard. The garden has a radius of 3.5 feet. If Kim wants to enclose the garden with a fence, how much fencing would she need, to the nearest foot?