What is the solution to the equation?

Problem number 26 of the Rhind Papyrus says:

Find a quantity such that when it is added to $ of itself

the result is a 15.

x = 10

O x = 12

O x = 15

The modern day equation that models this problem is

x+3x=15.

x = 30

How do you answer LM=1/2z+2 MN=3z+3/2 LN=5z+2 btw this is segment addition

Jamila and Anica were rollerblading. They skated 14 miles in 2 hours. If theyskated at a constant rate, how many miles did they skate in 1 hour?

Solve the system by substitution y=4 2x+3y=-20

Classify the random variables below according to whether they are discrete or continuous. a. The floor area of a kitchen. b. The number of bacteria in a particular cubic centimeter of drinking water. c. The dollar amount of the change in your pocket.

If a car used 250.000 W of power to complete a race in 12 s. how much work did the car do?

Identify the slope of the line y=-3x - 4

Suppose you used the Distributive Property to get the expression 12x + 3y - 9. With what expression could you have started?

Other ways to express 10^4

What are the x-intercepts of the parabola x2 - 3x - 28?

In boot camp, a cadet must use a rope swing to cross an obstacle without falling into the water hazard below. Unfortunately, they miss the platform on the other side and swing back to where they started. If it takes the cadet 5.