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
maxonik [38]
3 years ago
13

How much pure acid should be mixed with 55 gallons of a 60%acid solution in order to get an 80% acid​ solution?

Mathematics
1 answer:
horsena [70]3 years ago
4 0
Work in  amount of pure acid   let x = gallons of pure acid required.
then we have the equation:-

x + 55(0.6) = 0.80(x + 55)

x + 33 = 0.80x + 44
0.20x = 11
x = 11/0.2  =  55 gallons answer
You might be interested in
According to money exchange rate of Nepal Rastra Bank, the
natima [27]

Answer:

Purchase rate = 553.18 U.S dollar

Selling rate = 547.90 U.S dollars

Step-by-step explanation:

Purchase rate

1 U.S. dollar = NRs.103.72

Selling rate

1 U.S. dollar = NRs.104.32

How many American dollar can be exchanged withNRs.57, 376

Purchase rate

1 U.S. dollar = NRs.103.72

Amount of U.S. dollar = NRs.57, 376 / NRs.103.72

= 553.18164288468

Approximately

553.18 U.S dollar

Purchase rate = 553.18 U.S dollar

Selling rate

1 U.S. dollar = NRs.104.32

Amount of U.S. dollar = NRs.57, 376 / NRs. 104.32

= 547.89915966386

Approximately,

547.90 U.S dollars

Selling rate = 547.90 U.S dollars

5 0
2 years ago
Estimate the percent of each number. 47% of 77
Anettt [7]

ANSWER

36 .19

EXPLANATION

We want to estimate

47\% \: of \: 77

This is the same as

\frac{47}{100}  \times 77

or

\frac{47}{100} \times  \frac{77}{1}

We multiply the numerators to get,

\frac{3619}{100}

We convert to decimals to get

36.19

5 0
3 years ago
If 30% is lost by selling a sofa set for RS 980, at what price must it be sold to gain 10%.​
PSYCHO15rus [73]

Answer:

1078

Step-by-step explanation:

first: multiply 980 by 0.10 to get 10% of 980

second: take that value (98) and add it to 980

then: you get 1078 after adding

6 0
2 years ago
URGENT PLEASE HELP!! (questionS below) please answer all of them
Tamiku [17]
The answer is C because you have to do 12*2 and you should get 24
4 0
3 years ago
bag contains 8 yellow marbles and 24 blue marbles. If a representative sample contains 2 yellow ​marbles, then how many blue mar
diamong [38]
The representative sample would be expected to have 6 blue marbles 8/24:2/x
4 0
2 years ago
Other questions:
  • A pillar candle is shaped like a cylinder with a radius of 1.5 inches. The candle holds 123 cubic inches of wax. How tall is the
    11·2 answers
  • Write an English phrase that would translate into the following mathematical expression. Which of the following is equivalent to
    10·1 answer
  • The Yoga class you wish to take is offering two price quotes: $120 for 5 weeks as (15 classes) or $160 for 8 weeks (24 classes).
    13·1 answer
  • Find the sum of the measures of the interior angles of a convex 37-gon
    5·1 answer
  • Alex biked 6 ¼ miles on Friday, 7 ⅞ miles on Saturday, and 7 ⅛ miles on Sunday. What was the total distance Alex biked?
    10·1 answer
  • Please help me with this question because I am lost
    12·1 answer
  • Growth and decay help me asap!
    14·1 answer
  • YALL PLEASE PLEASE DIS A TEST!!
    6·1 answer
  • It is difficult to manage data. For example, it is common for customers to move and for companies to go out of business. This is
    10·1 answer
  • In a fruit punch drink, the 3 ingredients are apple juice, orange juice and cranberry juice. If
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!