There are nine water bottles in Devin's refrigerator. He adds three full boxes of water bottles to the refrigerator. Then he adds two more boxes that each has 1 fewer bottle than a full box. When he is done, there are 67 bottles in the refrigerator. Write and solve an equation to find the number of bottles in a full box.

Q: Angela ate at the same restaurant four times. Each time she ordered a salad and left a $5 tip. She…

A: Let x be cost of salad. First time she spend x+5 dollars. Second time she spend x+5 dollars. Third…

Q: Barney wants to buy a DVD player and some DVD's.The DVD player costs $168 and the DVD's are $5.50…

A: Given, Barney wants to buy a DVD player and some DVD's.The DVD player costs $168 and the DVD's are…

Q: Mark and Tony have a total of 121 baseball cards. Tony has 5 more than three times Mark's amount.…

A:

Q: A cell phone company charges $30.00 per month for the first 300 minutes and $0.10 per each…

A: The required equation is  30+0.10*m=45

Q: Justin earned $25.67 one week and $37.85 the next week. He also purchased a DVD for $19.99 and gas…

A:

Q: Elsa, Alan, and Frank have a total of $86 in their wallets. Frank has 2 times what Alan has. Elsa…

A:

Q: Tyler moved 6.5 miles away from school. He missed the bus so he walked. If he is 1.2 miles from…

A: The total distance given is 6.5 miles.And he is 1.2 miles from the school.

Q: Katie

A: Let, x be a number of weeks Cost of motor scooter=$518 Already saved amount= $188 Earn amount each…

Q: 2. Jeremy mowed several lawns to earn money for camp. After he paid $17 for gas, he had $75 leftover…

A:

Q: John's mom gave him 50 chocolates for his birthday. He gave each friend 3 chocolates and still had 2…

A: Given: The equation for the situation is 3x + 2 = 50.

Q: Ben had 5 times as many marbles as Caleb at first. After Ben gave away 87 marbles and Caleb won 13…

A: An algebraic expression is obtained by combining numbers and variables together with arithmetic…

Q: Laurie earns $7.50 per hour at the fruit stand plus an extra $2.00 per hour on Sundays. One week in…

A: Let x = Number of hours Laurie worked on Monday

Q: Jessica, Scott, and Pablo have a total of  $137  in their wallets. Scott has  4  times what Pablo…

A: Let x be the amount in Pablo's wallet. Since, from the given condition ,Scott has 4 times what Pablo…

Q: Over the weekend, you went to the shoe store.  You bought a pair of shoes for $50 and some pairs of…

A: Given that: Amount paid for a pair of shoes = $50 Amount of one pair of socks =$3 Total amount paid…

Q: Last​ season, a sports fan spent $1,870 to see his favorite team play 34 games. To see each​ game,…

A:

Q: Bautista and Kelsi are running a team relay race. Kelsi runs twice as far as Bautista. Together they…

A: Solve the given

Q: mark went to the department store to buy gifts for his friends. he spent half of his money plus 50…

A: Given :   mark went to the department store to buy gifts for his friends. he spent half of his money…

Q: Kim had P1,260 while Lyn had P360. After they saved an equal amount of money, Kim had three times as…

A: Kim had P1,260 while Lyn had P360let each one save an amount of xThen each one had money Kim has…

Q: An animal shelter spends $2.50 per day to care for each cat and $7.00 per day to care for each dog.…

A: Linear equation formation

Q: Carly and Johanna have made 80 sketches for an art show. Johanna has made five less than four times…

A: our objective is to find how many sketch made by Carly and how many sketch made by Johanna.

Q: Each month Marla pays a $30 cell phone bill from her back account. At the end of one year, what is…

A: Given that Marla pays $30 each month for her cell phone bill from her bank account.

Q: Lena, Chris, and Josh have a total of $100 in their wallets. Lena has $10 more than Josh. Chris has…

A:

Q: Pete's salary is twice Joe's salary. Mark's salary is $200 less than Joe's salary. Andy's salary is…

A: Let us assume that: Joe's salary is = $x Pete's salary is = $2x Mark's salary is = $(x-200) Andy's…

Q: Asia has a job selling cars. She is paid $2,000 per month. She also gets paid $200 for each car she…

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.