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7. Leonard has 23 coins consisting of quarters and nickels worth $4.15. How many quarters and nickels does he have? Equation 1 Equation 2 Solution

7. Leonard has 23 coins consisting of quarters and nickels worth $4.15. How many quarters and nickels does he have? Equation 1 Equation 2 Solution

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter5: Systems Of Linear Equations
Section5.2: Solve Systems Of Equations By Substitution
Problem 122E: When Gloria spent 15 minutes on the elliptical trainer and then did circuit training for 30 minutes,...
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Write a system of equations for each problem. Then, solve using substitution. Number 7 plz
noitutitedu2 vd 2m9ta:WH S- Write a system of equations for each problem. Then, solve using substitution. 6. The perimeter of a rectangle is 96 inches. If the length is three times the width, find the dimensions of the rectangle. P- 21t 2=7 96=2L+2W ps lo Equation 1 Equation 2 Solution Itn=23 25yt ofn=4:15 7. Leonard has 23 coins consisting of quarters and nickels worth $4.15. How many quarters and nickels does he have? notule Equation 1 Equation 2 Solution 8. Which of the following is a solution for this system of linear equations? y=÷x+ 2 and - 3x + 4y = 4 A) (6, 5) B) (8, 7) (D)4, 4) C) 9. Mr. Kippes works in an appliance store. Last week he sold 3 less than 2 times the number of washers that he sold this week, Mr. Kippes sold a total of 18 washers over the two weeks. Which system of equations can be used to find the number of washers he sold last week, I, and t, the number of washers he sold this week? I+t = 18 1 = 2t – 3 A) B) l+t= 18 C) ++t = 18 D) I+t = 18 1= 2t + 3 t = 21 + 3 t = 21 - 3 =6 and 4(y+1) = x, what is the value of y? 10. If (x, y) is the solution to the system B) 4 C) 12 D) 24
Transcribed Image Text:noitutitedu2 vd 2m9ta:WH S- Write a system of equations for each problem. Then, solve using substitution. 6. The perimeter of a rectangle is 96 inches. If the length is three times the width, find the dimensions of the rectangle. P- 21t 2=7 96=2L+2W ps lo Equation 1 Equation 2 Solution Itn=23 25yt ofn=4:15 7. Leonard has 23 coins consisting of quarters and nickels worth $4.15. How many quarters and nickels does he have? notule Equation 1 Equation 2 Solution 8. Which of the following is a solution for this system of linear equations? y=÷x+ 2 and - 3x + 4y = 4 A) (6, 5) B) (8, 7) (D)4, 4) C) 9. Mr. Kippes works in an appliance store. Last week he sold 3 less than 2 times the number of washers that he sold this week, Mr. Kippes sold a total of 18 washers over the two weeks. Which system of equations can be used to find the number of washers he sold last week, I, and t, the number of washers he sold this week? I+t = 18 1 = 2t – 3 A) B) l+t= 18 C) ++t = 18 D) I+t = 18 1= 2t + 3 t = 21 + 3 t = 21 - 3 =6 and 4(y+1) = x, what is the value of y? 10. If (x, y) is the solution to the system B) 4 C) 12 D) 24
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