Mary has saved $17.50 in the past 3 weeks. At this rate how much will she save in 15 weeks

Answers

Answer 1
Answer:

Answer:

$87.50

Step-by-step explanation:

With this amount of detail we can see that she has saved 17.5 in 3 weeks. We need to find how much in 15 weeks so we...

15/3=5

17.5*5=87.50


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Six mobsters have arrived at the theater for the premiere of the film "Goodbuddies." One of the mobsters, Frankie, is an informer, and he's afraid that another member of his crew, Joey, is on to him. Frankie, wanting to keep Joey in his sights, insists upon standing behind Joey in line at the concession stand, though not necessarily right behind him. How many ways can the six arrange themselves in line such that Frankie’s requirement is satisfied?a. 6
b. 24
c. 120
d. 360
e. 720

Answers

Answer:

D = 360

Step-by-step explanation:

Number of monsters that arrive at the theater = 6

Total number of arrangement for the 6 mobsters = 6!

= 6*5*4*3*2*1

= 720

The chance that Frankie will be behind Joey is half while the chance that Joey will be behind Frankie is half.

Since Frankie wants to stand behind joey in the line though not necessarily behind him, the arrangement can be done in 6!/2 ways

= (6!) 1/2

= 720/2

= 360 ways

Benito spent $1837 to operate his car last year. Some of these expenses are listed below. Benito's only other expense was for gasoline. If he drove 7600 miles, what was the average cost of the gasoline per mile?

Answers

I answered this question before. It lacked some data needed to solve this problem.

Operating Expenses 
Cost Insurance $972 
Registration $114 
Maintenance $105

1837 - 972 - 114 - 105 = 646 cost of gasoline

646 / 7600 = 0.085 or 8.5 centavos

Answer:

8.5

Step-by-step explanation:

12a12a^(2) -20a+16a^(3)

Answers

Answer:

Step-by-step explanation:

4a(3a-5+4a^2)

The number of members in JJ Select in 1980 was approximately 2 × 102 people. By 2005, the number of members had risen to 6 × 105 people. Which of the following is true?

Answers

Answer:

88

Step-by-step explanation:because you just do that math

Which measure os greater 2 miles or 3 kilometers

Answers

Well, I do know that 2 miles covers a greater distance than 2 kilometers.

Jeremy is making a trail mix containing raisins and peanuts. Raisins cost $1.50 per pound. Peanuts cost $2.50 per pound. Jeremy spends $10.50 to make 5 pounds of trail mix. He uses the table below to organize this information. Which equation can Jeremy use to determine the amount of raisins in the trail mix?a.r + 1.50 = 1.5r
b. r + (5 – r) = 5
c. 1.5r + 2.5(5 – r) = 10.50
d. 1.5r + 2.5(5 – r) = 5

Answers

The answer is c. 1.5r + 2.5(5 – r) = 10.50. Let r be the number of raisins and p be the number of peanuts. Raisins cost $1.50 per pound: 1.5r. Peanuts cost $2.50 per pound: 2.5p. Jeremy spends $10.50: 1.50r + 2.50p = 10.50. Jeremy makes 5 pounds of trail mix: r + p = 5. So, we have the system of two equations: 1.5r + 2.5p = 10.50 and r + p = 5. Use the second equation to express p: p = 5 - r. Now, substitute p in the first equation: 1.5r + 2.5(5 - r) = 10.50. Therefore, the correct choice is c. 1.5r + 2.5(5 – r) = 10.50.

Answer:

C. 1.5r + 2.5(5 – r) = 10.50

Step-by-step explanation: