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harina [27]
3 years ago
14

The Rusty Metal Roller Coaster at the fair charges $2.50 for children and $4 for adults. Before the safety inspector shuts down

the ride, 260 people ride it and $815 is collected. How many adults rode the coaster?
A.
80
B.
110
C.
150
D.
240
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
7 0

Answer:

B, 110

Step-by-step explanation:

Work Backwards!

1.- 260 - 110 = 150 children

2.- 150 X $2.50 (rate of children) = $375

3.- $815 - $375 = $440

4.- $440/$4 (rate of adults) = 110 Adults

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inysia [295]
1 in 38.  
Nothing much to say about this problem. There are 38 spaces on the roulette wheel and an every space on a fair wheel has an equal probability of being selected. So you would expect 1/38 = 0.026315789 = 2.6315789% of the time for the number 21 to show up.
8 0
4 years ago
What is the mode of this data? 1,1,1,1,1,5,6,2,4,9,1,1,2,3,6,7
Oliga [24]

Answer:

1

Step-by-step explanation:

The mode is the number that appears the most in a sequence of numbers. 1 appeared 7 times which is considered the most in this particular set.

3 0
3 years ago
Read 2 more answers
A baker sold apples pies for $10 and blueberry pies for$14. One Saturday they sold a total of 39 pies and collected a total of$4
MariettaO [177]

Answer:

17 Blueberry and 20 Apple Pies

Step-by-step explanation:

17 (Blueberry Pies) x 14 (Cost For Each) = 238

22 (Apple Pies) x 10 (Cost For Each) = 220

220 + 238 = 458 (Total Pies Sold On Staurday)

7 0
4 years ago
Dave is considering two loans. Loan U has a nominal interest rate of 9. 97%, and Loan V has a nominal interest rate of 10. 16%.
Vsevolod [243]

Loan U  will have a lower effective interest rate, and 0.0713 lower percentage points lower than Loan V and it can be determined by using the rate of interest formula.

Given that,

Dave is considering two loans.

Loan U has a nominal interest rate of 9.97%, and Loan V has a nominal interest rate of 10.16%.

If Loan U is compounded daily and Loan V is compounded quarterly.

We have to determine,

Which loan will have the lower effective interest rate, and how much lower will it be?

According to the question,

<h2>Effective Interest Rate;</h2>

The effective interest rate is determined by the formula;

= \left(1+\dfrac{r}{t} \right )^t

Loan U has a nominal interest rate of 9.97%,

Loan U is compounded daily,

Then,

The effective annual multiplier for loan U is,

= \left(1+\dfrac{0.997}{365}\right)^{365}\\\\= (1+0.0027)^{365}\\\\= (1.0027)^{365}\\\\= 1.104824

And Loan V has a nominal interest rate of 10.16%,

and Loan V is compounded quarterly.

Then,

= \left(1+\dfrac{0.1016}{4}\right)^{4}\\\\= (1+0.0254)^{365}\\\\= (1.0254)^{365}\\\\= 1.105537

Therefore,

Loan V has a higher effective rate by,

=1.105537 -1.104824 \\\\= 0.000713 \\\\= 0.0713%

Hence, Loan U  will have a lower effective interest rate, and 0.0713 lower percentage points lower than Loan V.

For more details about Interest rate refer to the link given below.

brainly.com/question/1398822

 

5 0
3 years ago
???? Help me please
Kisachek [45]

Answer:

RSQ is 105° and RPQ is 30°

Step-by-step explanation:

since S is the incenter of PRQ and RQP the angles are divided by 2

then use angle sum property that is 45+30+s=180

75+s=180

s=180-75

s=105

4 0
3 years ago
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