Algebra need help please

The population of the world in 1987 was 5 billion and the relative growth rate was estimated at 2 percent per year. Assuming that the world population follows an exponential growth model, find the... more

Algebra Math SAT Question PLEASE HELP!!!

A rectangle has a length of 15  meters less than 10 times its width. If the area of the rectangle is 7975 square meters, find the length of the rectangle.

05/15/19

Alonzo and Miguel scored a total of 40 points in the basketball game. Miguel scored four more points than twice Alonzo's score. How many points did Miguel score?

I need to see the work of how to solve this question. And i need to see how to set up the equations. Thanks need this ASAP!!

Percentages question that I am stuck on

One day at a school 70% of the students wore a polo shirt. 80% of the students wearing polo shirts were boys.What percentage of the students were boys who wore polo shirts?

05/12/19

Using 6 step method

A pharmacist wishes to mix a solution that is 2% minoxidil. She has on hand 100 ml of a 1% solution and wishes to add some 4% solution to obtain the desired 2% solution. How much 4% solution should... more

03/15/19

If 5x+5y=55-15 then what is x+y?

03/15/19

How do I convert Fraction to a Percent

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