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

What does "sometimes lies were more dependable than truth." mean?

Gail practices swimming for 1 and 1 fourth hours swimming every day how much time does she practice in a week

Tyler wrote a paper describing life in England in the eighteenth _________, from ______ to ______.

NED WEIGHS 1 1/2 TIMES AS MUCH AS JILL AND TOM WEIGHS 15 KILOGRAMS MORE THAN JILL IF THEIR COMBINED WEIGHT IS 190 KILOGRAMS HOW MUCH DOES EACH PERSON weigh?

how do you find an unknown length in similar figure pairs

Please help me out, asap! :-) Thank You very much... A particle accelerates from rest with an acceleration of 3m/s^2 to a speed V. It continues at this speed fo

As rain mixes with chemicals such as sulfur dioxide in the air, acid rain is produced. This may result in (A) lowering the pH in ponds, thus limiting the surviv

In French, our teacher has asked us to write a piece of writing where we sell our sibling on eBay. We have to describe them, and I can't figure it out?! Please

this is science they just dont have the subject buy anyways describe interactions you have with the environment that you depend on to meet your basic needs ho

What country is located at 15 degree north 105 degree east