You must show a diagram, write an appropriate equation and solve that equation

You must show a diagram, write an appropriate equation and solve that equation

For each $6 decrease in price, the store expects to sell eight more calculators.The revenue from calculator sales is given by the function R(n) = (unit price)(units sold), or R(n) = (120 - 6n)(80...

there is subtraction and its in my book of grade 7 2018 my teacher explain on it

NEED HELP

Write a letter equation for each sentence.

Cary is 8 years older than Dan. In 9 years the sum of their ages will be 98. Find the age of each man now.

Word problems

An apartment building was purchased for $434,500. The owners expect the property to double in value in 11 years. Find the appreciation equation. (Let x be the number of years since the purchase,...

how can i make a equation out of this word problem

Dale will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $38 and costs an idditional $0.11 per mile driven. The second plan has an initial fee of...

I need to use a system of linear equations to solve this. I have another question that i'm stuck on

Adding and subtracting fractions with unlike denominators

there are 45 pupils in a class 1/9 travel to school by train. 2/5 travel by car. 2/9 travel by bus. The rest walk to schoo. how many walk

There are 40 students in a class and 14 of these students passed their tests?round your answer to the nearest whole number If necessary

266 lbs total weight of the dogs. 38 lbs average. How many dogs?

A container of ice cream is 3/8 full. To completely fill the container, 6 quarts of ice cream would be added. If a full container of ice cream cost $26, what is the cost of ice cream per quart?

Farmer has 120 linear feet of fencing with which to enclosed a rectangular polt of ground and to divide it into three rectangular parts by partition parallel to an end what should the dimensions be...

An average bagel contains 30 mg of calcium and 2 mg of iron. One ounce of cream cheese contains 25 mg of calcium and 0.4 mg of iron. If Leyla wants to eat a combination of bagels and cream cheese...

need help solving algebra equations

I am too dumb to figure out my math homework and desperately need a good grade because m already failing. Someone help me.