Writing inequalities

Bria takes piano lessons. She needs to practice at least 120 minutes per week. So far this week she has practiced 95 minutes.

How do we write the inequality for this situation?

• 95 + m ≤ 120

• 95 + m ≥ 120

• 95 + m < 120

• 95 + m > 120

Tags

CCSS.7.EE.B.4B

The temperature dropped 11° in the last hour. The temperature is currently below 50°F. Which of the following could be used to determine the temperature, t, one hour ago?

• t – 11 < 50

• t – 11 > 50

• t – 11 ≤ 50

• t – 11 = 50

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.8

Meredith deposits $150 into her bank account. With the deposit, she now has over $500 in her account. Which of the following could be used to find x, the original balance before the deposit was made?

• x + 150 ≥ 500

• x – 150 < 500

• x + 150 > 500

• x – 150 > 500

Mr. Smith has a maximum of $50 to spend at a museum. A ticket to the museum costs $7. He can spend p dollars to buy other things at the museum. Which inequality can be used to find the possible values for p?

• p − 7 > 50

• p − 7 < 50

• p + 7 ≥ 50

• p + 7 ≤ 50

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.8

Liang has a goal of walking at least 18 miles. She walks at a rate of 4 miles per hour. Which inequality can Liang use to find h, the number of hours she should walk in order to meet or exceed her goal?

• 4h ≥ 18

• 4h ≤ 18

• h + 4 ≥ 18

• h + 4 ≤ 18

The vehicle's fuel efficiency is at least 45 miles per gallon.

Use f to represent the vehicle's fuel efficiency (in miles per gallon). Which inequality represents the situations.

• $f\le45$

• $f\ge45$

• $f<45$

• $f>45$

The distance to the nearest exit door is no more than 150 feet.

Use d to represent the distance (in feet) to the nearest exit door. Which inequality represent the situation.

• $d<150$

• $d\ge150$

• $d\le150$

• $d>150$