I need help solving this word problem

I need help solving this word problem

Four devices (A, B, C, D) contain a total 225GB of data. - The device A has half as much data as device B. - The device C has five times as much data as device B and device D combined. -...

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...

Nathan is making a new product to sell for company fundraisers. Each product costs Nathan $2.30 to make. If he sells the products for $3.75 each, how many will he have to sell to make a profit...

doug and tom have ages that are consecutive odd integers the product of their ages is 575 write an equation that can be used to find dougs age if he is the younger man how old is tom

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

find the answer in scientific notation and significant figure

It is a word problem.

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

An inlet pipe can fill a tank in 14 minutes. A drain can empty the tank in 16 minutes. If the tank is empty, and both the pipe and drain are open, how long will it take before the tank overflows?...

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...

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

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

how can i make a equation out of this word problem

NEED HELP

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...

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