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Marina86 [1]
4 years ago
15

4. Stacey currently has an account balance of $1,007.78. Her Initial deposit on the account was $616 and it earned 5.3% simple i

nterest. How long has Stacey held the account? (2 points)
7 years
31 years
12 years
19 years
Mathematics
1 answer:
Serjik [45]4 years ago
7 0

Answer:

12 Years

Step-by-step explanation:

Simple interest is calculated as I = Prt, where P is the principal (amount of money invested), r = rate of interest written as decimal, and t = time

The amount started as P and incresed by Prt, so

P + Prt = 1007.78

616 + (616)(0.053)t = 1007.78

Now you need to solve for t:

Subtract 616 from both sides and simplify:

32.648t = 391.78

Divide both sides by 32.648:

t = 12

Answer: 12 years

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A string quartet finds that when they play for donations they earn between $25 and $40 per hour. If they play for 3 hours and di
7nadin3 [17]

Answer:

Option d.$18 to $30

Step-by-step explanation:

we know that

The quartet  earn between $25 and $40 per hour.

so

If they play for 3 hours

then

($25*3)=$75

($40*3)=$120

the quartet will earn between  $75 and $120

Divide the money equally between the four members

$75/4=$18.75

$120/4=$30

therefore

Each member can make between $18.75 and $30

5 0
4 years ago
Daisy works at an ice-cream parlor. She is paid $10 per hour for the first 8 hours she works in a day. For every extra hour she
tester [92]

Answer:

The expression giving her net earnings for a day with more than 8 hours worked is X = 80 + 15H, where H means "extra hours worked".

Step-by-step explanation:

Given that Daisy works at an ice-cream parlor earning $10 per hour for the first 8 hours she works in a day, and 1.5 times her hourly wage for every extra hour she works, in order to know how much can she make in a day working more than 8 hours the following equation has to be made:

X = (8 x 10) + (H x (1.5 x 10))

X = 80 + 15H

Therefore, if Daisy works 13 hours, the equation works as follows:

X = 80 + 15x13

X = 80 + 195

X = 275  

3 0
3 years ago
How do you divide a whole number by a decimal? Example 9.00 divided by 6.75
sammy [17]

Answer to the example is 1.3 repeating

Step-by-step explanation:

The number we divide by is called the divisor. To divide decimal numbers: Multiply the divisor by as many 10's as necessary until we get a whole number. Remember to multiply the dividend by the same number of 10's.

5 0
3 years ago
Read 2 more answers
Pretty simple question but im stupid and need assistance
malfutka [58]

the second one I think don't get mad if it is wrong please

4 0
4 years ago
Ninety percent of the team members played in the game.If 18 players played,how many team members did not play?
Lubov Fominskaja [6]

Answer:

i think the answer is 2

Step-by-step explanation:

if you divide 18 /90 you get 0.2 then you multipliy itby 10 and get 20

8 0
4 years ago
Read 2 more answers
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