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Olin [163]
3 years ago
15

(2a-5)/6 = 5/12 what is the answer?

Mathematics
1 answer:
USPshnik [31]3 years ago
3 0

Answer:

a = 15/4.

Step-by-step explanation:

(2a-5)/6 = 5/12

Cross multiply:

12(2a - 5) = 5*6

24a - 60 = 30

24a = 90

a = 90/24

a = 15/4.

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Answer:

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Step-by-step explanation:

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3 years ago
Jake is riding an escalator. After riding for 3 seconds, he was 25 inches above the ground.
Lana71 [14]

Answer:

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Step-by-step explanation:

3 0
4 years ago
A jar contains 10 ounces of gumdrops, 3 ounces of licorice bits, and 3 ounces of jelly beans. How many more ounces of jelly bean
Andrew [12]

Answer:

10 jelly beans.

Step-by-step explanation:

Let x be ounces of jelly beans.

We have been given that a jar contains 10 ounces of gumdrops, 3 ounces of licorice bits, and 3 ounces of jelly beans.

To make weight of jelly beans be 50% of total assortment, we will add x ounces of jelly beans to 3 so that it will be 50% of total assortment plus x. We can represent this information in an equation as:

3+x=\frac{50}{100}(10+3+3+x)

Let us solve for x.

3+x=0.50(16+x)

3+x=8+0.5x

3-3+x=8-3+0.5x

x=5+0.5x

x-0.5x=5+0.5x-0.5x

0.5x=5

\frac{0.5x}{0.5}=\frac{5}{0.5}

x=10

Therefore, 10 jelly beans must be added to make the assortment 50 percent jelly beans in weight.

Let us cross check our answer.

\frac{3+10}{3+3+10+10}=\frac{13}{26}=0.5=50\%

6 0
3 years ago
A bicycle store costs $2400 per month to operate. Thee store pays an average of $60 per bike. The average selling price of each
n200080 [17]

Answer:

The number of bicycle that store sell each month to break even  is 13 bikes  .

Step-by-step explanation:

Given as :

The operation cost of bicycle store = $2400

The cost of payment by store at average rate = $60 per bike

The average selling price of each bike = s.p = $120 per bike

Let The number of bicycle that store sell each month to break even = n bikes

<u>According to question</u>

The operation cost of bicycle store = (cost of payment by store at average rate + average selling price of each bike ) × number of bicycle that store sell each month to break even

i.e ($60 per bike + $120 per bike) × n bikes = $2400

Or,  ($180 per bike) × n bikes = $2400

∴ 180 n = 2400

Or, n = \dfrac{2400}{180}

i.e n = 13.333 ≈  13

So, The number of bicycle that store sell each month to break even = n = 13 bikes

Hence, The number of bicycle that store sell each month to break even  is 13 bikes  . Answer

7 0
4 years ago
Suppose that 16 inches of wire costs 64 cents.
babunello [35]

Answer:

52

Step-by-step explanation:

each inch cost 4 cents

5 0
3 years ago
Read 2 more answers
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