Please help me with this one I’m stuck thanks

Please help me with this one I’m stuck thanks

A computer training institute has 625 students that are paying a course fee of $400. Their research shows that for every $20 reduction in the fee, they will attract another 50 students. Which equation...

1,344 people 621 males

Fractions in word problems

A creamery operator wants to mix milk(which contains 4% fat) and cream(which contains 40% fat) to make 90 liters of a mixture that will contain 20% fat.

A lamp manufacturing company produces 1600 reading lamps a day when it operates in two shifts. The first shift produces only 5/6 as many lamps as the second shift. Let x = the number of lamps produced...

Write in slope-intercept form an equation of a line that passes through the point (8, 2) that is parallel to the graph of the equation y=4x−3.

I got (x+3)=3-2 but they told me that I did it wrong whats wrong with what I did

Math, Algebra

Bill bought a used car. After he’d owned the car for 10 weeks, he noticed that the car’s odometer showed that it had gone a total of 43,852 miles. (Of course, that included the mileage on the car...

I also need to know the system of equations and I need to graph them.

The number of web searches S in billions on a particular web during year x can be approximated by S(x)=221x-442,573 from 2009-2012. Evaluate S(2010) and interpret the result. In 2010 there were exactly...

First day school sold 13 adult tickets and 9 student tickets for a total of $147. The school took in $81 on the second day by selling 11 adult tickets and 4 student tickets. Find the price of an adult...

if the perimeter of a rectangle is 86 inches and the length is 11 inches more than its width, find the area of the rectangle.

two students compared the number of songs that they each had downloaded from iTunes. the first student's total was five less than twice the second student's total. together they had a total of 985...

A rectangular classroom seats 252 students. When the seats are rearranged with three more seats in each row, the classroom has two fewer rows. Find the original amount of seats in each row.

You've invested a total of $30,000 at 3% and 4 1/2% simple interest. During one year, the two acco earned $1200. How much did you invest in each account?

A company offers internet for a maximum of 10 GB for $36. The costs of additional fees are $2.15/GB. Write an equation to represent this relation.

Just a general follow through of the steps required to answer the equation

A cone has volume V=⅓πr2h, where r is the radius of the cone's base and h is the height of the cone. Find the height in centimeters of a cone with volume 96πcm3 and radius 6 centimeters. Note π...