Writing Equations and Inequalities When appropriate, make sure to answer in complete sentences.

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Presentation transcript:

Writing Equations and Inequalities When appropriate, make sure to answer in complete sentences.

Write the equation/inequality and in complete sentences explain what the variable represents. Henry wants to buy a car from his uncle for $850. He has $450 right now and plans to save $42 every week. Write an inequality for the situation. 1

Solve the following equation/inequality. 40w =

Write the equation/inequality and in complete sentences explain what the variable represents. My family is planning to go on a vacation. We budgeted a total of $1500. We estimate travel expenses to be $850 and to spend $145 a day. Write an inequality for the situation. 3

Solve the following equation/inequality. -12n+7 ≥43 4

Write the equation/inequality and in complete sentences explain what the variable represents. Will has a pool that has holds 120 gallons of water. The pool currently has 45 gallons in it and fills at a rate of 10 gallons per minute. Write an equation for the situation. 5

Write the equation/inequality and in complete sentences explain what the variable represents. A local water company charges residents a flat fee of $15 every month, plus 10 cents per gallon for water usage. If a family plans to spend only $50 a month on water, write an inequality to represent the situation. 6

Pick the correct answer choice. Explain how you know it is correct. A candy company sells chocolate-covered cherries in a box. The empty box weighs 4.2 ounces. Each piece of candy weighs at least 1.8 ounces. Which inequality best describes the total weight in ounces, w, of a box of chocolate-covered cherries in terms of c, the number of candies in the box? Aw ≥ 1.8c B w ≥ 1.8c − 4.2 C w ≥ 4.2c D w ≥ 4.2c − 1.8 7

Solve the following equation/inequality. 10x -12x+4 = 8 8

Write the equation/inequality and in complete sentences explain what the variable represents. Michelle works as a travel nurse. She charges $20 to come to a house and then $85 an hour. She earned a total of $ Write an equation for the situation. 9

Write the equation/inequality and in complete sentences explain what the variable represents. Garrett went to the grocery store. He bought a $5.25 pizza and several packages of ramen noodles for 50 cents a piece. He must spend fewer than $10. Write an inequality for the situation. 10

Pick the correct answer choice. Explain how you know it is correct. The initial pressure inside a closed container is 200 pounds per square inch (psi). As the temperature inside the container increases, the pressure increases. If the pressure increases 7.5 psi for each degree Fahrenheit of increased temperature, which equation best represents p, the pressure inside the container after the temperature has increased t degrees? F p = 7.5t G p = t H p = 200t J p = 200t + 7.5t 11

12. In complete sentences, explain what you think is the hardest part about this assignment? What are you struggling with the most?