I need to set up a system of equations but whenever I solve the equation I get a totally unreasonable answer. Which is counted as wrong.

I need to set up a system of equations but whenever I solve the equation I get a totally unreasonable answer. Which is counted as wrong.

rickybobby has some one dollor bills and some five dollor bills. he has 25 bills. the value if the bills is 81 dollors how many of each type does he have?

the meat cost $6 per pound, the potatoes cost $3 per pound, and the carrots cost $1 per pound. You spend $48.50 on 13.5 pounds of food. You buy twice as many carrots as potatoe.

of each olive should she mix to get five pounds of zesty olive blend that will sell for $6 a pound

2y+4z=24 5x+y-9z=14 x+3y-z=22

A boat on a river travels down stream between two points, 20 miles apart, in 1 hour. The return trip against the current takes 2 1/2 hours. What is the boat speed and how fast does current flow...

A man flies a small aircraft from Miami to Orlando, a distance of 180 miles. Because he is flying into a head wind the trip takes him 2 hours. On the way back the wind is still blowing at the same...

A $116,000 trust is to be invested in bonds paying 7%, CDs paying 6%, and mortgages paying 10%. The bond and CD investment together must equal the mortgage investment. To earn a $9460 annual income...

Paul invested twice as much money in an account paying 5% interest than he did in an account paying 1% interest. If the total interest paid was $330, how much did he invest in each?

2x-15y=35 -x+5y=-16

The perimeter of a rectangle is 52 m. If the width were doubled and the length were increased by 5 m, the perimeter would be 82 m. What are the length and width of the rectangle?

Yolanda has a gourmet coffee shop with two different types of coffee .type A cost 5.90 per pound and type B cost 7.00 per pound. A customer wishes to purchase a mixture of these using two times more...

The admission fee at a small fair is 2.00 for children and 3.50 for adults.on a certain day 775 people enter the fair and 2225 is collected.how many children and how many adults attended ...

I have to have two answers and I need to show my work.

Bogan High School students were selling cookies as part of a school fundraiser. Cookies were $4 for Chocolate Chip and $5 for Nutella Filling. They ended up raising $1,000 in ticket sales by selling...

solve for x and y: (X-0.106)²+(y-0.106)²=0.41² (X-0.3)²+(y-0.45)²=0.37²

How much fresh water should be mixed to a 30% salt water solution, to obtain 90 gallons of a 23% salt water solution?

A bakery sells 10 ounce bags of nuts for $3.26 per bag. They sell 8 ounce bags of mints for $4.10 per bag. They receive a check for $88.48 for an order of 22 items. How many items did they sell...

The perimeter of a standard tennis court when used for doubles play is 288ft. The width is 22 ft less than the length. Find the dimensions. choose the system of equations that is a...

How many pounds of nuts selling for $12 per lb and raisins selling for $6 per lb should a person combine to obtain 120 lb of a trail mix selling for $8 per lb? The person would need ( ) lb...

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