1.5 solving word problems 1.5 Solving Word Problems using Equations and Inequalities
Question: A Comcast installer charges a service call fee of $55 plus $40 per hour. Which equation models the comcast installer's charge C for a service call that lasted h hours? Answer
A. C=55+40h
C. C=(55+40)h
B. C=40+55h
D. C=95+h
Solve each equation:
1.The bill for the repair of your car was $390. The parts cost $215. The labor cost was $35 per hour. How many hours did the repair work take?
2. You are selling candles for a school fundraiser and are required to earn $300. Candles cost $7.50 each and you’ve already made $165. How many more candles do you need to sell to meet your goal?
1
1.5 solving word problems Solve each equation:
3.The bill from your plumber was $134. The cost for labor was $32 per hour and the cost of materials was $46. How many hours did the plumber work?
4. Your friend Maria charges $2 to baby sit plus $.50 per child for every hour babysitting. One Saturday, Maria earns $3.50 an hour to watch their neighbors. How many children are in this family?
5. You are selling candy bars for a school fundraiser that cost $1.50 each. Your family bought 16 candy bars from you. How many more candy bars must you sell in order to have a total of $105?
2
1.5 solving word problems Solve each equation:
6. The formula F = 1.8C + 32 converts temperatures from Celsius to Fahrenheit. Find the temperature in Celsius of an oven that is 500 degrees Fahrenheit
7. Find the length of each side of the triangle if the perimeter is 50.
3
1.5 solving word problems HW: Solve each equation
1.The bill for the repair of your car was $205. The parts cost $85. The labor cost was $40 per hour. How many hours did the repair work take?
3.The bill from your plumber was $175. The cost for labor was $45 per hour and the cost of materials was $90. How many hours did the plumber work?
show all work as done in class
2. You are selling candles for a school fundraiser and are required to earn $110. Candles cost $5.50 each and you’ve already made $38.50. How many more candles do you need to sell to meet your goal?
4. You are selling candy bars for a school fundraiser that cost $1.50 each. Your family bought 12 candy bars from you. How many more candy bars must you sell in order to have a total of $54?
over
1.5 solving word problems 5. The formula F = 1.8C + 32 converts temperatures from Celsius to Fahrenheit. Find the temperature in Celsius of an oven that is 410 degrees Fahrenheit
6. Find the length of each side of the triangle if the perimeter is 24.
1. Set up an equation and solve it
2. Evaluate each side for x=10
3. Write the answer
1.5 solving word problems ANSWERS
1.5 solving word problems 1.5 Solving Word Problems using Equations and Inequalities
Question: A Comcast installer charges a service call fee of $55 plus $40 per hour. Which equation models the comcast installer's charge C for a service call that lasted h hours? Answer
A. C=55+40h
C. C=(55+40)h
B. C=40+55h
D. C=95+h
Solve each equation:
1.The bill for the repair of your car was $390. The parts cost $215. The labor cost was $35 per hour. How many hours did the repair work take?
2. You are selling candles for a school fundraiser and are required to earn $300. Candles cost $7.50 each and you’ve already made $165. How many more candles do you need to sell to meet your goal?
1
1.5 solving word problems Solve each equation:
3.The bill from your plumber was $134. The cost for labor was $32 per hour and the cost of materials was $46. How many hours did the plumber work?
4. Your friend Maria charges $2 to baby sit plus $.50 per child for every hour babysitting. One Saturday, Maria earns $3.50 an hour to watch their neighbors. How many children are in this family?
5. You are selling candy bars for a school fundraiser that cost $1.50 each. Your family bought 16 candy bars from you. How many more candy bars must you sell in order to have a total of $105?
2
1.5 solving word problems Solve each equation:
6. The formula F = 1.8C + 32 converts temperatures from Celsius to Fahrenheit. Find the temperature in Celsius of an oven that is 500 degrees Fahrenheit
7. Find the length of each side of the triangle if the perimeter is 50.
1. Set up an equation and solve it
2. Evaluate each side for x=10
3. Write the answer