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3 years ago

5. The Toy Car Company sells toy cars for $8.00 per car and charges $3.50 for shipping.

Mathematics

1 answer:

Sindrei [870]3 years ago

4 0

Answer:

$11.50

Step-by-step explanation:

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Solve x - 3 1/8 = 5/12

Anna007 [38]

Answer:

$\large\boxed{x=\dfrac{85}{24}=3\dfrac{13}{24}}$

Step-by-step explanation:

Convert the mixed number to the fraction:

$3\dfrac{1}{8}=\dfrac{3\cdot8+1}{8}=\dfrac{25}{8}$

METHOD 1:

$x-3\dfrac{1}{8}=\dfrac{5}{12}\\\\x-\dfrac{25}{8}=\dfrac{5}{12}\\\\\text{the common denominator is 24}\\\\x-\dfrac{25}{8}=\dfrac{5}{12}\qquad\text{multiply both sides by 24}\\\\24x-(3)(25)=(2)(5)\\\\24x-75=10\qquad\text{add 75 to both sides}\\\\24x=85\qquad\text{divide both sides by 24}\\\\\boxed{x=\dfrac{85}{24}}$

METHOD 2:

$x-3\dfrac{1}{8}=\dfrac{5}{12}\qquad\text{add}\ 3\dfrac{1}{8}\ \text{to oboth sides}\\\\x=\dfrac{5}{12}+3\dfrac{1}{8}\\\\x=\dfrac{5\cdot2}{12\cdot2}+3\dfrac{1\cdot3}{8\cdot3}\\\\x=\dfrac{10}{24}+3\dfrac{3}{24}\\\\x=3\dfrac{10+3}{24}\\\\\boxed{x=3\dfrac{13}{24}}$

7 0

4 years ago

You roll a number cube once.<br> what is the theoretical probability that you roll a 3 or 4?

yanalaym [24]

Answer:

2/6 or 1/3

Each number has 1 /6 probability. But since you can accept either 3 or 4, the probability is better and is 2/6 or simplified to 1/3.

4 0

3 years ago

There are 24 girls, there are 2/3 of the girls on Monday 1/4 girls on Tuesday, and 1/6 girls on Wednesday. How many more girls a

marshall27 [118]

Answer:

Step-by-step explanation:

24/3 = 8

8*2= 16

24/4 = 6

16-6=10

5 0

3 years ago

I need two equations to solve for the number of songs and pictures. I just need it straight forward no need to explain it.

Leona [35]

You can proceed like this,

650 kb for a pic
and 2200kb for song ( 650 + 1550)

total= 18150 kb and 16 files

so, 650 kb each in both pic and song = 16 * 650= 10400

remaining = 18150-10400 = 7750 , which is contributed by additional 1550 of songs that is
7750/1550 = 5

so, a total of 5 songs and 11 pictures were sold..

hope it helped

5 0

3 years ago

Jerry has a credit card debt of $15,600 that he would like to reduce by applying $8500 of his inheritance money to the balance

aev [14]

Answer:

Jerry would still be in debt by 7100

Step-by-step explanation:

Just subtract 8500 from 15600

6 0

2 years ago