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3 years ago

10

A sandwhich shop sells sandwhiches for $7 each and bottles of water for $1 each. The owner of this shop needs to earn a total of

$196 by the end of the day.

1 answer:

Lady bird [3.3K]3 years ago

4 0

The owner could sell 27 sandwiches and 7 water bottles.

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How many centimeters are there in 30 inches

Yuliya22 [10]

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76.2

Step-by-step explanation:

You multiple the length value by 2.54

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3 years ago

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Yesterday,Bethany sent 60 messages. She said that 15% of those messages were to her best friend. How many text messages did Beth

anyanavicka [17]

Yesterday,Bethany sent 60 messages. She said that 15% of those messages were to her best friend.=> 60 messages is the total number of messages he sent=> 15% = 15% / 100% = .15Question: How many text messages did Bethany send to her friend yesterdaySolutions:=> 60 * .15 = 9 messages were sent to his friend.and the rest were sent to someelse.<span>
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3 years ago

-Translate this phrase into an algebraic expression.

Virty [35]

Answer:

20n - 4

Step-by-step explanation:

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2 years ago

You buy 3.17 pounds of peaches, 1.45 pounds of apples, and 1.85 pounds of oranges. What is your total bill?

defon

The ttel is 6.47 (^_-)-☆(•ө•)♡

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3 years ago

Usimov [2.4K]

Answer:

$r\approx0.03\text{ or about $3\%$}$

Step-by-step explanation:

The standard compound interest formula is given by:

$\displaystyle A=P(1+\frac{r}{n})^{nt}$

Where A is the amount afterwards, P is the principal, r is the rate, n is the times compounded per year, and t is the number of years.

Since we are compounding annually, n=1. Therefore:

$\displaystyle A = P (1+r)^{t}$

Lester wants to invest $10,000. So, P=10,000.

He wants to earn $1000 interest. Therefore, our final amount should be 11000. So, A=11000.

And our timeframe is 3.3 years. So, t=3.3. Substituting these values, we get:

$11000=10000(1+r)^{3.3}$

Let’s solve for our rate r.

Divide both sides by 10000:

$1.1=(1+r)^{3.3}$

We can raise both sides to 1/3.3. So:

$\displaystyle (1.1)^\frac{1}{3.3}=((1+r)^{3.3})^\frac{1}{3.3}$

The right side will cancel:

$\displaystyle r+1=(1.1)^\frac{1}{3.3}$

So:

$\displaystyle r=(1.1)^\frac{1}{3.3}-1$

Use a calculator:

$r\approx0.03$

So, the annual rate of interest needs to be about 0.03 or 3% in order for Lester to earn his interest.

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2 years ago