cmmbutterflies cmmbutterflies

05-02-2020
Mathematics

contestada

How many gallons of a 50% antifreeze solution must be mixed with 70 gallons of 30% antifreeze to get a mixture that is 40% antifreeze?

Respuesta :

kenlingdad kenlingdad

05-02-2020

Answer:

70 gallons

Step-by-step explanation:

x gallon of 50%

x * 0.5 + 70 * 0.3 = (x + 70) * 0.4

0.5x + 21 = 0.4x + 28

0.1x = 7

x = 70

Answer Link

Otras preguntas

An online music club sells compact discs for $13.95 each plus $1.95 shipping and handling per order. If Maria's total bill was $85.65, how many compact discs di

What are the challenges of empire and what is the usual result?

How much does NATO cost? Who pays for it?

What is the solution to x^2-8x+18=0 when written in the form a+or-bi?

How does increased glucose availability in a pancreatic beta cell and closure of the katp channel lead to exocytosis of insulin-containing vesicle?

Recent research shows that we can override the draw of noisy or novel stimuli.

Gretchen lives in Florida, for the current temperature 69°F and rising at a rate of 2°F per hour. She's talking on the phone to her friend in Indiana where the

In filmmaking, Oskar Fischinger's 'Circles' is considered to be the first

If a large corporation is being sued by a much smaller entity, the corporation may submit to a deposition which is a form of gamesmanship that has become more p

You would like to buy your dream car, a fully-loaded 2016 Toyota Prius, for $31,000, but can only afford to pay $430 per month. Based on a 4.5% interest rate:A.