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3 years ago

5

The school cafeteria is offering a choice of two side dishes at lunch today, either watermelon or french fries. The ratio of the

number of orders of french fries to the total number of side dishes ordered is 9:14.

1 answer:

kramer3 years ago

4 0

Answer

There a 9 fries for every 14 orders of watermelon.

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Each house a carpenter build needs 7 sinks. If he bought 20 sinks, how many houses would that cover?

zimovet [89]

3 houses because 7=1 14=2 21=3

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3 years ago

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Write an expression that represents the sum of a number x and 11

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Answer:

x+11

Step-by-step explanation:

here is the equation

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the sum of three numbers is 131. The second of three numbers is seven more than twice the first. The third number is 12 less tha

spin [16.1K]

No. 1 = x
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Answer:

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From there you solve to get the numbers:

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3 years ago

1. What is the probability of rolling a number less

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Answer:

1/2

Step-by-step explanation:

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It can also be found this way...

Probability = Number of desired outcomes ÷ number of possible outcomes. Therefore 3 ÷ 6 = 0.5 which is equal to 50% or 1/2.

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3 years ago

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You have $5600. The best interest rate you can find is 3%

EleoNora [17]

Answer:

18 years

Step-by-step explanation:

The formula for computing accrued amount A for a principal of P at an interest rate of r(in decimal) compounded n times in a year for t years is given by

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

Note that r is percentage converted to decimal. So 3% = 3/100 = 0.03

We can rearrange the above equation to:

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

Taking logs on both sides

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

This gives

$log(\frac{A}{P}) =nt \times log(1 + \frac{r}{n})\\So,\\nt = \frac{log(\frac{A}{P})}{ log(1 + \frac{r}{n})}$

In this particular problem, n = 4, , A= 9600, P = 5600, r =0.03, so r/n = 0.03/4 = 0.0075

1 + r/n = 1+0.0075 = 1.0075

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t = 72/4 = 18 years

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2 years ago