Colombian coffee beans cost $5.50 per pound, while Peruvian coffee beans cost $4.25 per pound. We want to mix the beans together so as to produce a 40 pound bag, costing $4.60 per pound. How...

Colombian coffee beans cost $5.50 per pound, while Peruvian coffee beans cost $4.25 per pound. We want to mix the beans together so as to produce a 40 pound bag, costing $4.60 per pound. How...

Problem with 2x-3y=4 and -4x+5y=-8

Solving a word problem involving a sum and another basic relationship using a system of linear equations

This is a question regarding systems of equations. How do I turn this into a two-part equation in order to solve it? Thanks!

Please help me!!

Anne, Barry, and Cathy carpool together and frequently stop to get breakfast for themselves at a cafe. Anne orders 2 coffees, 2 juice, 2 doughnuts and pays 8 dollars. Barry orders 1 coffee and 3 doughnuts...

Two numbers have a difference of 14. If the larger number is increased by 5 and the smaller number is squared, the sum will be 61. Write a system of equations for this question and then...

The total cost to rent 2 chairs and 3 tables is $35 . The total cost to rent 6 chairs and 5 tables is $63 . What is the cost to rent each chair...

Combined, there are 172 Asians, Africans, Europeans, and Americans in a village. The number of Asians exceeds the number of Africans and Europeans by 57. The difference between the number of Europeans...

NEED ANSWER!!1

Scientific studies suggest that some animals regulate their intake of different types of food available in the environment to achieve a balance between the proportion, and ultimately the total...

Juliana, Rex, and Bobby work at the local Walmart selling newspapers and coupon books. One day, 3 of them had a combine sales total of $1480. Juliana sold $120 more than Rex. Rex and Bobby sold $280...

Point A and B are seperated by a distance of 280 KM. If two cars left each point at the same time traeling towards each other, they would meet in 2 hours. If two cars left each point at the same time...

continuing the question, Aaron would have twice as much. How much does each person actually have.

don't know how to do it

The members of the city cultural center have decided to put on a play once a night for a week. Their auditorium holds 500 people. By selling tickets, the members would like to raise $2,550 every night...

Kerry and Luke biked a total of 18 miles in one weekend. Kerry biked 4miles more than Luke. Write a system of equations and solve it to find how far each boy biked.

Nari is checking items being shipped to the school store. The shipment contains notebooks that cost $22 per box and mugs that cost $40 per box. She counts 16 boxes, and the invoice states...

I need to know what equations i would need to solve this.

(1) x2+y2=16 4x2+9y2=36 (2) x2+y2=17 x2-2y2=-31