Math 7 CFA 6 Equations and Inequalities Post

Olivia has $240 in her bank account. Each month, her bank deducts a $12.50 fee for maintaining a balance below $250. If Olivia makes no other deposits or withdrawals, how much money will be in her account at the end of five months?

• $62.50

• $177.50

• $187.50

• $302.50

Tags

CCSS.HSF.BF.A.2

Theo budgets $156 for karate classes. He buys a karate uniform, called a dogi, for $12. If it costs $8 to attend each karate class, which inequality below represents the number of classes, c, that Theo can take?

• c ≤ 18

• c ≥ 18

• c ≤ 21

• c ≥ 21

Solve the equation. -4x = 72. Work out the equation on your CFA Work Sheet. Take a screenshot of your work and upload it.

Example of how to type in your solution below:

x=-6

Tags

CCSS.6.EE.B.7

Find the solution of the following equation: 3.75x + 15 = 63.75

• x = 4

• x = 8

• x = 13

• x=15

Tags

CCSS.7.EE.B.4A

The seventh grade wants to break last year’s record of 78 coats collected for the annual clothing drive. They have already collected 13 coats. Graph the solution to an inequality that represents the number of coats, c, that the seventh grade must still collect on a number line.

Hint: You need to write the inequality first and solve it to find the solution BEFORE you can choose the correct number line.

• 
• 
• 
• 

Tags

CCSS.6.EE.B.8

Lincoln is saving $360 to buy a new bike. He already has $85 and can earn $12 per hour at work. Which of the following equations describes the number of hours, h, for which Lincoln must work to earn enough money to buy the new bike?

• 85h = 360 - 12

• 360h = 12 + 85

• 360 + 85 = 12h

• 12h + 85 = 360

Tags

CCSS.HSA.CED.A.3

Six friends are selling crafts at a show. They each had to pay $7.20 to pay for the table rental. They each sell 3 items. If every item is the same price, and the 6 friends make a total profit of $25.20, what was the sale price of each item?

• $1.00

• $1.80

• $3.80

• $4.20

Tags

CCSS.7.EE.B.3

On a cross-country bicycle trip, participants ride about 75 miles per day. Approximately how many days, d, must they ride to travel at least 4,275 miles?

Choose the inequality that correctly represents the situation.

• 75d < 4275

• 75d > 4275

• 75d ≥ 4275

Tags

CCSS.6.EE.B.8