Two years ago Pete was three times as old as his cousin Claire. Two years before that, Pete was four times as old as Claire. In how many years will the ratio of their ages be 2 : 1?

Find the x and y intercepts of the line y = 2x - 6

If a 4.5-meter wave traveled at a speed of 15 m/s, what would its frequency be?

Solve a (3 x-2b) = c (2x-2) for x

Solve for 1/3 (x+2) = 2/3x+4

Kong took 15% fewer seconds than Nolan took to complete his multiplication timed test. Kong took 85 seconds. How many seconds did Nolan take?

How to find a repeating decimal between 3 fractions?

How many times does 70 go into 1000

The table shows the number of glass bottles of different colors in a shelf. A fair coin is shown below the table.

How can 225% also be expressed as a fraction or mixed number? Express in simplest form.

A truck is rented at $40 per day plus a charge per mile of use. The truck traveled 15 miles in one day, and the total charge was $115. Which equation can be used to the charge x, in dollars, per mile traveled?