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3 years ago

Pure acid is to be added to a 10% acid solution to obtain 72 L of a 20% acid solution.

Mathematics

1 answer:

Crank3 years ago

8 0

Answer:

Step-by-step explanation:

because 10 is 1/2 of 20 and 72/2 = 36

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Mrs. Robinson, an insurance agent, earns a salary of $4,800 per year plus a 3% commission on her sales. The average price of a p

kap26 [50]

Answer:

$4800+183x\geq 8000$

She must sell at least 18 policies to make an annual income of at least $8,000

Step-by-step explanation:

Let $x$ be the number of policies Mrs. Robinson must sell

We know that Mrs. Robins makes 3% on commission for each policy sold. We also know that the average price of a policy is $6,100, so she makes 3% of $6,100 per policy sold. To find the 3% of $6,100 we just need to multiply 3% and $6,100; then dive the result by 100%:

$\frac{3*6,100}{100} =183$

Now we know that she makes $183 per policy sold. Since $x$ is the number of policies sold, $183x$ is her total commission for selling $x$ policies.

We also know that She makes $4,800 per year, so her total annual income is her salary plus her commissions, in other words:

$4800+183x$

Finally, we know that she wants to make at least $8,000, so her salary plus her commissions must be greater or equal than $8,000:

$4800+183x\geq 8000$

Let's solve the inequality:

1. Subtract 4800 from both sides

$4800-4800+183x\geq 8000-4800$

$183x\geq 3200$

2. Divide both sides by 183

$\frac{183x}{183} \geq \frac{3200}{183}$

$x\geq 17.48$

Since she can't sell a fraction of a policy, we must round the result to the next integer:

$x\geq 18$

We can conclude that she must sell 18 policies to make an annual income of at least $8,000.

7 0

4 years ago

LITTLE HELP HERE PEOPLE BTW IF UR RIGHT BRAINLIST IT IS........

Westkost [7]

The formula for the total surface area of a right prism is T. S. A. =ph+2B where p represents the perimeter of the base, h the height of the prism and B the area of the base, I hope this helps.

God bless :)

4 0

3 years ago

Read 2 more answers

Unit 2: Logic and proofs Homework 8: Angle Proofs

Anettt [7]

What exactly is it you need help with?

8 0

4 years ago

What are the terms, like terms,coefficients, and constants of the problem 4e + 7e + 5

mote1985 [20]

Answer:

terms: 3 terms, 4e,7e, and 5

like terms: 4e and 7e

coefficients:4e and 7e

constants:5

Step-by-step explanation:

terms are the numbers and or variables being added

like terms consist of the same variables

coefficients are the numbers being multiplied by a variable

constants are any numbers that aren't being multiplied by a variable

8 0

3 years ago

Helppppppp !!!!!!! <br><br>A = 2<br>B = 4<br>C = 3<br><br>6A × B - 4C + 1A

jek_recluse [69]

<h2> ${\blue {\boxed {\colorbox {purple} {\pink {King\:Brainly01}}}}}$ </h2>

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6A × B - 4C + 1A

6(2) × 4 - 4(3) + 1(2)

12 × 4 - 12 + 2

48 - 12 + 4

36 + 2

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5 0

3 years ago