Writing Inequalities Wednesday

Write an inequality to represent each situation.

Clint has to spend a minimum of $75 in order to use his coupon at the store.

• $x>75$

• $x\ge75$

• $x<75$

• $x\le75$

Write an inequality to represent each situation.

Molly went shopping and her bank account got below $7.50.

•  $x>7.5$ 

•  $x\ge7.5$ 

•  $x<7.5$ 

•  $x\le7.5$ 

Write an inequality to represent each situation.

Sharon's organization hopes to raise more than $10,000 at their annual 5k race.

•  $x>10,000$ 

•  $x\ge10,000$ 

•  $x<10,000$ 

•  $x\le10,000$ 

Write an inequality to represent each situation.

Mrs. May informed her students that their exam will have at most 25 questions.

•  $x>25$ 

•  $x\ge25$ 

•  $x<25$ 

•  $x\le25$ 

Choose the inequality that could be used to solve each problem.

Caroline's hair is 7 inches long and grows about 1/5 inch each month. Trinity's hair is 10 inches long and grows about 1/10 inch each month. How many months will it take for Caroline's hair to be at least as long as Trinity's hair?

• $7x+\frac{1}{5}\ge10x+\frac{1}{10}$

• $7+\frac{1}{5}x\ge10+\frac{1}{10}x$

• $7+\frac{1}{5}x>10+\frac{1}{10}x$

• $7+\frac{1}{5}x\le10+\frac{1}{10}x$

Choose the inequality that could be used to solve each problem.

A puppy weighs 2.8 pounds at birth and gains about 0.5 pounds per week. A kitten weighs 1.4 pounds at birth and gains about 1.2 pounds per week. In how many weeks will the weight of the kitten be no less than the weight of the puppy?

• $1.4+1.2x>2.8+0.5x$

• $1.4+1.2x<2.5+0.5x$

• $1.4+1.2x\le2.5+0.5x$

• $1.4+1.2x\ge2.8+0.5x$

Write an inequality that could be used to solve each problem.

Tess as 42 words of an essay typed and is typing about 1.3 words per second. Margo has 122 words of an essay typed and is erasing about 1.2 words per second. In how many seconds will the number of words in Tess's essay exceed the number of words in Margo's essay?

Write an inequality that could be used to solve each problem.

Hank has picked 1.3 pounds of berries and picks about 0.75 pounds per minute. Tom as picked 2.5 pounds of berries and picks about 0.5 pounds per minute. In how many minutes will Hank have picked more berries than Tom?