1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Crazy boy [7]
3 years ago
13

How many gallons of a 50% antifreeze solution must be mixed with 70 gallons of 30% antifreeze to get a mixture that is 40% antif

reeze?
Mathematics
1 answer:
Colt1911 [192]3 years ago
5 0

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

You might be interested in
A certain 5-digit combination lock can be reset with a new combination. The lock uses numbers from 1 to 6. After a friend accide
daser333 [38]
The probability is (1/6)^5 power. Since the locks are independent of each other, you can multiply the probabilities together. There are 6 possible numbers for each lock and there are 5 locks. So the probability is (1/6)^5 power.<span />
5 0
3 years ago
Aurora earns a salary of $25,000 per year. Her benefits are equal in value to 30 percent of her salary. What is the value of Aur
GaryK [48]
So her benefits is basically 25,000(0.30). The total benefits would be $7,500.
5 0
3 years ago
Read 2 more answers
Each square below represents one whole. What percent is represented by the Shaded area?
drek231 [11]

Answer:

43%

Step-by-step explanation:

7 0
3 years ago
I know how to find the distance of two coordinates but not three could someone help me on this??
Angelina_Jolie [31]
Find distance between R and S and then between S and T and add them together
4 0
2 years ago
Read 2 more answers
I need help plz help me !!
elena-14-01-66 [18.8K]

Answer:

110

Step-by-step explanation:

y = 11/6x where x is in minutes

there are 60 minutes in an hour

plug in 60 as x

11/6 *60 = 11*10 = 110

6 0
2 years ago
Read 2 more answers
Other questions:
  • The population of the country was 314 million. What is the empirical probability of death by stroke during a single​ year
    15·1 answer
  • The vertices of a triangle are listed below. Q(-5,2), R(3,2),S(-8,-3) Which of the following classifies the triangle.
    14·1 answer
  • So I'm doing angles and I have find the value of X.and I have X and 110 degrees.how do I do that and what's the answer?
    5·2 answers
  • The measure of an angle is 28° greater than its complement.<br> Find the measure of each angle.
    13·1 answer
  • Cameron wants to measure a poster frame, but he only has a sheet of paper that is 8 1/2 by 11 inches. He lays the long edge of t
    12·2 answers
  • You’re given two side lengths of 6 centimeters and 9 centimeters. Which measurement can you use for the lengths of the third sid
    12·1 answer
  • I am multiple of 20 i have 3 digits my hundreds digit and tens digit add to make 9 half of me is less than 100 what am i
    12·1 answer
  • If 4 melons sell for $0.52, how much would 7 melons cost?
    12·1 answer
  • 1/2x + 3/5 as the product of a constant and sum of terms
    7·1 answer
  • Una función impar con quien tiene simetría?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!