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## McGraw-Hill Math Grade 7 Answer Key Lesson 17.2 Understanding Inequalities

**Exercises**

**EXPLAIN**

**Put into words what each expression is describing.**

Question 1.

3x < 6

Answer:

The given expression 3x < 6 describes **three times a number is less than six.**

Question 2.

p – 1 > 5

Answer:

The given expression p – 1 > 5 describes **a number minus one is greater than five**.

Question 3.

y ≤ 4

Answer:

The given expression y ≤ 4 describes **a number is less than or equal to four**.

Question 4.

s^{2} ≥ 25

Answer:

The given expression s^{2} ≥ 25 describes **a square of a number is greater than or equal to twenty-five**.

Question 5.

\(\frac{f}{5}\) < 63

Answer:

The given expression \(\frac{f}{5}\) < 63 describes **a number divided by five is less than sixty-three**.

Question 6.

w + 9 < 12

Answer:

The given expression w + 9 < 12 describes **a number plus nine is less than twelve**.

Question 7.

643 < d + g

Answer:

The given expression 643 < d + g describes **six hundred forty-three is less than the sum of two numbers.**

Question 8.

z + 2 ≤ 15

Answer:

The given expression z + 2 ≤ 15 describes **a number plus two is less than or equal to fifteen.**

Question 9.

4h > 17

Answer:

The given expression 4h > 17 describes **four times a number is greater than seventeen.**

Question 10.

1 – n ≥ -63

Answer:

The given expression 1 – n ≥ -63 describes **one minus number is greater than or equal to negative sixty-three.**