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

List the partial products of 35 times 7

which of the following groups of organs all remove metabolic wastes from the human body?

where is Venezuela's most populous area

A rectangle has a length of 4 times the width minus 7.The perimeter is 136.Find the width and the length.

Which of the following is TRUE of Congress's power of oversight? Congressional oversight activities generally take place at the committee and subcommittee level

What would most likely be included in the “Analysis” section of a lab report?

Read the sentence. Physics teacher a. a. Michelson measured the speed of light in 1878. Which word or phrase is the complete predicate? A) the speed of light

What made the Silk Road an important source of cultural diffusion? A. Many different peoples used it to trade with each other. B. China used the Silk Road to co

How do you divide 925 by42

What area of the 13 colonies contained the most settlements