The difference of two numbers is 3. Their sum is 13. Find the numbers.
What is 8 and 5
16 lb of Brand M Cinnamon was made by combining 12 lb of Indonesian cinnamon which costs $19/lb with 4 lb of Thai cinnamon which costs $11/lb. Find the cost per lb of the mixture.
What is $17/lb
The solution to the system:
8a + 5b = 9
2a - 5b = -4
What is (0.5, 1)?
The sum of two numbers is 55 and their difference is 5. Find the two numbers.
What is 30 and 25
A man needed one hour to row one mile upstream, but only 12 minutes to row back down. Find his rowing rate (in still water).
What is 3mph?
The solution to the system
y = x - 2
3x - y = 16
What is (7, 5)
One number is 12 more than half another number. The two numbers total 60. Find the numbers.
What is 28 and 32
How many mg of a metal containing 45% nickel must be combined with 6 mg of pure nickel to form an alloy containing 78% nickel?
What is 4mg?
How many solutions does the following system have? How do you know?
1 solution! Because the lines are no parallel, therefore they must intersect once and only once.
The sum of two numbers is 75. The larger number is 3 less than twice the smaller. Find the two numbers
What is 26 and 49
A crew team rowed 18 miles in 2 hours, going with the current. Traveling against the current, it rowed 8 miles in the same amount of time. Find the rate of the crew in still water and the rate of the current.
What is 6.5 mph rowing in still water and the current is 2.5 mph.
The dimensions of a rectangle whose perimeter is 78 inches, when the length of the rectangle is twice its width
What is 26 in x 13in?
How much distilled water should a nurse add to reduce 16 ounces of a 25% solution of antiseptic to a solution that is 10% antiseptic?
Write a system of equations based on the following table:
What is:
y = 315x + 200
y = 250x + 1500