# math

posted by .

A science teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. How much of each solution should the teacher mix together to get 105 ML of 60% sugar solution for an experiment
70 ML of the 50% solution and 35 ML of the 80% solution
35 ML of the 50% solution and 70 ML of the 80% solution
70 ML of the 50% solution and 70 ML of the 80% solution
35 ML of the 50% solution and 35 ML of the 80% solution

• math -

.5x+.8(105-x)=.6*105
x = x=70

so, (a)

Even without doing the calculation, this can be easily solved.

Since 60% is closer to 50% than it is to 80%, more of the lower concentration will be needed.

• math -

• math -

Hey that girl I am working on that test now can you help me?

• math -

never mind

• math -

The answers for the whole thing is
1.D
2.A
3.C
4.D
5.C
6.D
7.A
8.C
9.A
10.B
11.A
12.A
13.A
14.B
15.A
16.B
17.A
18.A
19.B
20.C
21.A
22.A
23.D
24.B

• math -

• math -

THESE ARE ALL WRONG DON'T LISTEN TO HIM!

• lexi's bestie -

hey guys here is the real answers, I'm sorry if they change any questions:

1. A [1.4, 2.2]
2. D [-2, -9.5]
3. C [infinitely many]
4. D [none]
5. C [infinitely many]
6. D [none]
7. C
8. D
9. A [y≥60; 2x+2y≤260]
10. B [4 days]
11. A [\$0.50 per cookie; \$1.25 per brownie]
12. A
13. A
14. B [1.5, 10]
15. D [5,1]
16. B [750 T-Shirts
17. B [16 quarts...]
18. B [44 mL]
19. C
20. A
21. A [5x+7y≥140]
22. A
23. A
24. D

• math -

• math -

• math -

yes it's the unit test. Xx

• math -

those answers are no longer accurate just saying.

• math -

everybody's got different tests yalll

• math -

Yo I used the bottom one and got a 70 they were all messed up the answers please continue to gdo be answers but please give the right ones bc it’s a waste of time not to give the righty answers

• math -

1. A
2. A
3. C
4. D
5. C
6. D
7. B
8. D
9. A
10. A
11. A
12. B
13. A
14. B
15. B
16. C
17. A
18. A
19. C
20. A
21. A
22. A
23. D
24. D

## Similar Questions

1. ### physical science

how much sugar is dissolved in 500 grams of a solution if the solution is 70 percent sugar by mass?
2. ### math

Is it possible to mix a 10% sugar solution with a 20% sugar solution to get a 30% sugar solution?
3. ### chemistry

Take a cup of water, add sugar, and stir. If the resulting solution contains sugar crystals that do not dissolve, the solution is said to be?
4. ### chemistry

If you mix 20.0 mL of a 3.00 M sugar solution with 30.0 mL of a 5.57 M sugar solution, you will end up with a sugar solution of_______.
5. ### algebra

A science teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. How much of each solution should the teacher mix together to get 105 mL of 60% sugar solution for an experiment ?
6. ### Algebra 1

A restaurant has one type of lemonade that has 12% sugar and another that is 7% sugar. How many gallons of each does the restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar?
7. ### Algebra 1

What is the solution to the system? use elimination . -18.6x+ 17.2y=90.2 14.2x+ 3.4y= -35.8 a.(3,2) b.(-3,2) c.(2/3,4/9) d.(2,3) IS IT D?
8. ### Algebra 1

A science teacher has supply of 50% methane solution and a supply of 80% methane solution.How much of each solution should the teacher mix together to get 105 mL of 60% methane solution for an experiment. a. 70 mL of the 50% solution …
9. ### Math

A science teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. How much of each solution should the teacher mix together to get 105 ML of 60% sugar solution for an experiment a. 70 ML of the 50% solution and …
10. ### Math

Melanie needs 75% of sugar solution to conduct an experiment.However she only has 40% and90% sugar solution available .how much each solution must she use in order to obtain 60L of the75% of solution?

More Similar Questions