Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.

Q: How many gallons of 30% alcohol and 60% alcohol are needed to obtain a 20-gallon mixture which is…

A: Let x be the number of gallons of 30% alcohol. So, (20-x) will be the number of gallons of 60%…

Q: At the end of the day, Aaron has a pocketful of change. A total of 19 coins are in his pocket,…

A: The solution is shown in step-2

Q: Jacinta wants to use milk and orange juice to increase the amount of calcium and vitamin A in her…

A: The system of equations can be solved graphically or algebraically. The method of substitution and…

Q: Solve the following system of equations. 3x = 2y-5 2x+5y = -35 and y= (Simplify your answers.) X=

A:

Q: Solve the following system of equations using the method of your choice. х + 3у — 5 2а — 4у — — 3 =…

A:

Q: The bookstore at suntan u had a sale on school tshirts. Thursday they sold 45 of the marked down…

A:

Q: Graph the system of equation and write its solution x+2y=2 Note that you can also answer "No…

A: Solution of the given system

Q: How do I do this word problem? Your math instructor tells you that next week's test is worth 100…

A: Let x be the 2 point questions and y be the 5 point  questions. Write the equation can be written as…

Q: How many gallons of a 10% antifreeze solution and a 20% antifreeze solution must be mixed to make 10…

A: How many gallons of a 10% antifreeze solution and a 20% antifreeze solution must be mixed to make 10…

Q: Solve the following system of two variables and check your answers.: x² + y = = 4 2x+y = 1

A: We have to find out solutions

Q: Write a system of equations in two variables and solve. 1500 concert tickets were sold for a jazz…

A: Let number of covered seats sold be x and number of lawn seats sold be y. Since, 1500 concert…

Q: How will your answers be written when solving a system of equations by any method

A: Explanation of the solution is given below...

Q: tickets to the school play cost $5 for adults and $3 for children. One day, they sold 175 tickets…

A: Given that tickets to the school play cost $5 for adults and $3 for children. One day, they sold 175…

Q: The perimeter of a rectangular flower garden is 21 feet. This garden is to be built on the side of a…

A: Given the perimeter of a rectangular flower garden as 21 feet.

Q: Solve the system of equations: 2x + 3y = -4 %3D 3x +2y -1

A: Given,         The system of equations are:           2x+3y=-4           3x+2y=-1

Q: Is (-1, -4) a solution to this system of equations? y = -4 y = 3x – 1 yes no

A:

Q: You just joined the local arboretum for a flat fee of $82. They charge an extra $31 for each special…

A: Explained below

Q: Charlie goes to his piggy bank and finds 35 coins, all nickels and quarters, worth $5.15. Which…

A: Let N be the number of nickels and Q be the number of quarters. In total Charlie found 35 coins. So,…

Q: teacher purchased 18 juice boxes and 32 bottles of water, and spent $19.92. THe other teacher…

A: