theodorelefry3692 theodorelefry3692
  • 16-03-2021
  • Mathematics
contestada

Stephanie wants to make 22.5 qt. of a 20%

alcohol solution by mixing together a 6%

alcohol solution and a 36% alcohol solution.

How much of each solution must she use?

Respuesta :

fichoh
fichoh fichoh
  • 17-03-2021

Answer:

y = 10.5qt

x = 12 qt

Step-by-step explanation:

0.6x+ 0.36y = 22.5 * 0.2

0.06x + 0.36y = 4.5

x + y = 22.5

x = 22.5 - y

0.06(22.5 - y) + 0.36y = 4.5

1.35 - 0.06y + 0.36y = 4.5

0.3y = 4.5 - 1.35

0.3y = 3.15

y = 3.15 / 0.3

y = 10.5 qt

x = 22.5 - y

x = 22.5 - 10.5

x = 12 qt

Answer Link

Otras preguntas

Which famous African American was arrested after refusing to give up a bus seat for a white man? A. Sammy Davis, Jr. B. Nina Simone C. Rosa Parks D. Martin Lut
do you think hiv testing should be mandatory for everyone?
is √20 a rational or irrational number ?explain how you know
To ensure that dietary terms mean the same for any product on which they appear, uniform definitions for terms which describe a food's nutrient content have bee
There was a surplus of office space in a city, with 400,000 square feet, or 16% of the total office space, vacant. How much office space did the city have?
Carla rode her bike to the park she travels at 5 miles per hour for 15 minutes how far did Carla ride her bike
Who was the US President during WW11
what r Charlies interests or hobbies and what kind of music does he listen to
If the government deregulates the airline industry then:
During the era of reform studied, which was the last group to win the rights they fought for? a. labor b. enslaved persons c. woman d. children