Name________________________

__REAL LIFE
EQUATIONS- #1-KEY__

**Directions**: Solve
each problem below by writing an *equation*
that matches the situation. Then solve
your equation to find the solution to the problem.

1) Desiree made 100 cookies this week. She baked 4 more than three times the total she made last week. How many cookies did she bake last week.

**3x + 4 = 100 x = 32 cookies **

2) Shakira went bowling with her friends. She paid $3 to rent shoes and then $4.75 for each game of bowling. If she spent a total of $21, then how many games did Shakira bowl?

**4.75x + 3 = 21 x = 4 games **

3) This year, Cornell’s class took one more than three times as many field trips as last year’s class. This year, Cornell’s class took a total of 7 trips. How many field trips did his class take last year?

**3x + 1 = 7 x = 2 trips **

4) This week, Jamyra spent a total of 100 minutes studying. This total was 8 more than four times the amount of minutes she studied last week. How many minutes did Jamyra spend studying last week?

**4x + 8 = 100 x = 23 minutes **

**5)
**James earned a total of $900 last week. This total was $10 less than five times the
amount he earned last week. How much
money did James earn last week?

**5x – 10 = 900 x =
$182 **

6) Kaya rented a limousine for prom. There was a one-time charge of $100, plus an hourly rate of $45. Her total cost for the night was $347.50. How many hours did Kaya rent the limo for?

**45x + 100 = 347.50 x = 5.5 hours**

** **

7) At a pizza eating competition, Davonne at two more than twice as many slices as the runner-up. If Davonne at 11 slices, then how many slices did the runner-up eat?

**2x + 2 = 11 x = 4.5 slices **

8) Anthony received $150 for his birthday this year. This was $10 less than half the amount he received last year. How much money did Anthony receive for his birthday last year?

**x/2**** – 10 = 150 x = $320 **

9) Jasmine is 5 years younger than twice her sister’s age. If Jasmine’s sister is 22 years old. Then, how old is Jasmine?

** 2x – 5 = 22 x = 13.5
years**

10) Ronnie charged his customers a flat fee of $25 to fix computers. Then he charged $20 for each hour that he spent fixing the computer. If Ronnie made $175 off of his first customer, how many hours did he spend working?

** 20x + 25 = 175 x = 7.5 hours **