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

Arianna made 128 fluid ounces of cranberry punch,21 cups of lemonade,3 quarts of strawberry banana juice, and 1 gallon of iced tea for a party. Which statement

How does one interpret a written work? O A. By evaluating problems in the text O B. By explaining the meaning of the text O C. By finding supporting evidence O

Part B What is Jefferson's opinion about the purchase? How can you tell?

Select the correct answer. What can be inferred from the graph? a graph of reactant and product concentration vs. time; a red curve shows the reactant decreasin

who got g mail?? lmk

- 2x - 2 + 8 Help me

I need help finding the slope

What is -6.2 + 2.9???

Round 1149 to the nearest thousand.

What decimal is equivalent to 26.4%