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

WILL DETERMINE BRAINLIEST!!!!!! What is the primary source of energy? A.proteins B.carbohydrates C.fats D.oils

What did the suez crisis show about power in the cold war apex?

When we combined baking soda and vinegar in a closed jar and lid had the same mass before and after they were combined and mixed together. what law best explain

An amusement park sells child and adult tickets at a ratio of 8:1. On Saturday, they sold 147 more child tickets that adult tickets. How many tickets did the a

Meiosis occurs in all cells. True False please help

explain how taxes influence consumer decisions and buying power

(1) My family has a quaint cottage at a small, private lake. (2) The cottage is about 75 years old, but we try to keep it in good condition. (3) The outside is

What would rescued suvivors from the titanic look like?

How to solve a multiplication problem with a variable?

1/3 List the first five multiples of the denominator of the fraction in order. [Example: 1/2 The first five multiples 2 are: 2, 4, 6, 8, 10 ]