Forty students are in the science club. Of those, 45% of girls. This percent increases to 56% after new girls join the club. How many new girls join?

Witch of the following problems can be solved by finding 4:2/3?

The Great Pyramid at Giza, Egypt, is 147 meters tall, and each side of the base is 240 meters long. What is its volume?

The price, P, of a certain stock is given by the formula P = - 6t + 50 when t is the number of years since 2000. Find the price of the stock in the year 2000 and the year 2004

A four sided polygon is called a

The age of a rock is determined by the function, A (t) = A 0 e - 0.000002t, where Isotope Q, with an initial value of A 0, decays at a constant rate 0.000002 per year, for a number of years (also known as the age of the rock), t.

Each year, 20% of all untenured State University faculty become tenured, 5% quit, and 75% remain untenured. Each year, 90% of all tenured S. U. faculty remain tenured and 10% quit. Let U_t be the number of untenured S. U.

Paula earned a 56% on her science test. If she got 14 problems correct, then how many questions were on the test?

Seven less than two times a number is 29. Enter the equation that represents Sharon's sentence into the box. Use x for the variable.

2 other decimal forms of 6.7

what is the equation subtracting 7 from the product of 4 and a number results in the number added to 29