Writing Inequalities

Front

Temperature in ice rink: 71°F. Cooling device decreases temperature by 3.5°/hour. Find inequality for temperature < 50°F.

Back

71 - 3.5x < 50

Tags

CCSS.7.EE.B.4B

Front

Inequality for Casey's dog's weight loss: 106 - 4x ≤ 70, 70 + 4x ≤ 106, 4x - 106 ≥ 70, 106 - 4x< 70

Back

106 - 4x ≤ 70

Tags

CCSS.7.EE.B.4B

Front

Inequality for YJH cheerleaders' ticket sales to raise at least $2000, given $300 already raised and $10 per ticket.

Back

300 + 10x ≥ 2000

Tags

CCSS.7.EE.B.4B

Front

Juan bought a soda for $2 and nachos for $3 each. He did not spend more than $14. Write an inequality to find n, the number of nachos.

Back

2+3n ≤ 14

Tags

CCSS.7.EE.B.4B

Front

Alexa has at most $60 to spend on clothes. She wants to buy a pair of jeans for $22 and spend the rest on t-shirts. Each t-shirt costs $8. Write an inequality to find x, the number of t-shirts Alexa can buy.

Back

22+8x≤60

Tags

CCSS.7.EE.B.4B

Front

Which situation can be represented by the inequality
15 + 6x ≤ 100?
Options: Lazer Zone charges $15 plus $6 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?, Lazer Zone charges $6 plus $15 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?, Lazer Zone charges $15 plus $6 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?, Lazer Zone charges $6 plus $15 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?

Back

Lazer Zone charges $15 plus $6 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?

Tags

CCSS.7.EE.B.4B

Front

At the Big Bear video rental store, blank CDs cost $1.50 each and blank DVDs cost $3.25 each. Which inequality describes the number of CDs (c) and DVDs (d) that can be purchased for less than $65.00? Options: 1.50c + 3.25d < 65, 3.25c + 1.50d < 65, 1.50c + 3.25d ≤ 65, 3.25c + 1.50d ≤ 65

Back

1.50c + 3.25d < 65

Front

Equation to determine the most donuts Shirley can buy with $5.00, including one carryout box.

Back

70x + 30 ≤ 500

Front

A local bakery has a daily operating cost of $1800 plus a cost of $10 per cake they make. If a cake sells for $15, which equation could be used to determine the minimum number of cakes, c, they must sell each day to earn a profit? Options: 15c < 1800 + 10c, 15c > 1800 + 10c, 15c = 1800 + 10c, 10c < 1800 + 15c

Back

15c > 1800 + 10c

Tags

CCSS.7.EE.B.4B

Front

Write the linear inequality in standard form for this situation: Ms. Savva is ordering pizzas and breadsticks for a school party and has a budget of no more than $81. An order of breadsticks costs $7 and a pizza costs $13.

Back

7x + 13y ≤ 81