ChrystalHope ChrystalHope

02-06-2016
Mathematics

contestada

Aldo drove 200 miles using 9 gallons of gas. At this rate, how many gallons of gas would he need to drive 420 miles?

Respuesta :

apologiabiology apologiabiology

02-06-2016

distance/fuel is constant
200/9=420/x
find x
times 9x both sides
200x=3780
divide both sides by 200
x=18.9
18.9 gallons

Answer Link

Otras preguntas

Why was it important for slaves to learn to read and write?

What to do in 49 days after death?

Which fact in Jane Austen's life clearly influenced in "Pride and Prejudice? A. Living in England B. Living at her father's vicarage C. Her close relation

Can the base of a exponential function be 1?

At a restaurant, bill and his four friends decided to divide the bill evenly. if each person paid $12, what was the total bill? write an equation to represent t

During a thunderstorm yesterday, 600 millimeters of rain fell in 30 minutes. What is the unit rate for millimeters per minute? Use pencil and paper. Describe

What is the equation of the line of best fit for natalie's data? enter the correct answer in the box by replacing mand b in the equation. round each number to t

A medical researcher claims that 60% of people with shellfish allergies do not have their first allergic reaction until adulthood. This value seems suspicious t

A doctor allots 15 minutes for routine office visits and 45 minutes for full physicals. the doctor cannot do more than 10 physicals per day. the doctor has 9 av

how do you graph y=x-2?