solve each problem by setting up and solving a system of two equations and two unknowns or a system of three equations and three unknowns. Suppose that a mail-order company charges a fixed fee for shipping merchandise that weighs 1 pound or less, plus an additional fee for each pound over 1 pound. If the shipping charge for 5 pounds is $2.40 and for 12 pounds is $3.10, find the fixed fee and the additional fee.

Q: Two investment have interest rates that differ by 1%. An investment for 1 year  at the lower rate…

A: Let  rate of interest r1  and r2 answer is r1 = 8% and r2 = 7% detailed solution with explanation is…

Q: solve each problem by setting up and solving an appropriate system of equations. Sue bought 3…

A: Consider the price of a package of cookies is x and the price of a sack of chips is y. The sum of 3…

Q: ormulate a system of equations for the situation below and solve. For the opening night at the…

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Q: solve each problem by setting up and solving an appropriate system of equations. A motel in a suburb…

A: A motel in a suburb of Chicago rents double rooms for $120 per day and single rooms for $90 per day…

Q: A small truck can be rented from Ralph’s Rentals for a fee of $30 plus $5 per mile. The same size…

A: Let the truck is driven X miles per day Charges of Ralph’s Rentals will be = 30+5X…

Q: If 4 pounds of sugar cost $2, the cost of 1 pound of sugar is $ and the cost of 10 pounds of sugar…

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Q: Suppose a certain company sells regular keyboards for $82 and wireless keyboards for $115. Last week…

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Q: y acre he plants with maize and $3,000 for every acre he plants with sugarcane. His use of a…

A: Profit that can be earned 1 Maize $5000 2 Sugarcane $3000 The two variables x = number of…

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

A: Explained below

Q: Helen considers two jobs. One pays $45,000/yr with a yearly raise of $2250. A second job pays…

A:

Q: Alice, Bob, and Mary completed a project and were paid $25,000.  Before the project started, they…

A: Then Given that Alice should be paid $1,000 less than twice Mary's share, that is Also given that…

Q: solve each problem by setting up and solving a system of two equations and two unknowns or a system…

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