7th Equations and inequalities

Joe’s Canoes charges an initial fee of $20 plus $4 an hour. Callie’s Canoes charges a flat rate of $14 an hour. Find the number of hours for which the total amount that both places charge would be the same.

• 3 hours
• 4 hours
• 1 hour
• 2 hours

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.A.4

Solve: -2x ≤ 14

• x ≤ 7
• x ≤ -7
• x ≥ 7
• x ≥ -7

Tags

CCSS.6.EE.B.8

25 < X - 10

• X > 35
• X < 35
• X > -35
• X < -35

Tags

CCSS.6.EE.B.8

CCSS.6.EE.B.5

Solve the inequality.
-3w - 2 < -17

• w < 7.67
• w > 5
• w < 5
• w < 6.33

Tags

CCSS.7.EE.B.4B

Translate: 
Four times a number plus six is 30.

• 4 + 6 = 30
• 4x + 6 = 30
• x + 4 times 6 = 30
• 30 = 4x

Translate the sentence into an equation:
Four more than six times a number is 18.

• 10x = 18
• 4x + 6 = 18
• 4 + 6x = 18
• not enough info

A taxi charges $3, plus $1.50 for each mile traveled.  Mr. Lewis rode in the taxi from his home to the airport and was charged $30.  How many miles does Mr. Lewis live from the airport?

• 18 miles
• 20 miles
• 22 miles

Tags

CCSS.7.EE.B.4A

A plumber fixed a leaky sink and charged $55 for parts and $45 per hour for labor.  The total bill was $190.  Which of the following equations can be used to find how many hours (x) the plumber spend fixing the sink?

• 55x + 45x = 190
• 55 + 45x = 190
• 55 + 45 = 190x
• 45 + 55x = 190

Tags

CCSS.HSA.CED.A.3

While at the music store, Drew bought 5 CDs, all at the same price. The tax on his purchase was $6, and the total was $61. What was the price of each CD?

• 5x + 6 = 61
• x/5 + 6 = 61
• 5/x + 6 = 61
• x + 5 + 6 = 61

Tags

CCSS.HSA.CED.A.3

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 
• <, >
• ≤, <
• ≥, >

Tags

CCSS.HSA.REI.D.12