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saveliy_v [14]
3 years ago
9

if the cost price of 18 cycles is equal to the selling price of 16 cycles, find the gain or loss percent.​

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
8 0

Answer: The answer will be 25/2%

Step-by-step explanation:

You might be interested in
Tickets to a concert cost either $12 or $15. A
olga_2 [115]

Answer:

  • 12x +15y = 4140; x + y = 300
  • x = 120; y = 180

Step-by-step explanation:

The first equation is for receipts. Each x ticket generated $12 in receipts, so the first term needs to be 12x. Each y ticket generated $15 in receipts, so the second term needs to be 15y. U in this set of equations is the total number of tickets, said to be 300.

The equations are ...

  12x +15y = 4140; x +y = 300

__

Using the second equation to write an expression for x, we have ...

  x = 300 -y

Substituting this into the first equation gives ...

  12(300 -y) +15y = 4140

  3600 +3y = 4140

  y = (4140 -3600)/3 = 180

  x = 300 -180 = 120

The number of tickets sold is ...

  $12 tickets -- 120

  $15 tickets -- 180

_____

You might want to notice that the equation we ended up with:

  4140 -12(300) = 3y

is equivalent to this "word solution." This can be done in your head; no equations required.

If all the tickets sold were $12 tickets, the revenue would be $3600. The revenue is $540 more than that. Each $15 ticket generates $3 more revenue than a $12 ticket, so to have $540 more revenue, we must have 540/3 = 180 $15 tickets.

6 0
3 years ago
A washer and a dryer cost 998$ combined. The washer costs 98$ more than the dryer. What is the cost of the dryer
Zielflug [23.3K]
The dryer is 900 dollars
7 0
3 years ago
Read 2 more answers
A student finds the slop of the line between (4, 3) and (-2, -2). She writes -2–4/-2–3. What mistake did she make?
TiliK225 [7]
Her mistake is that she did the change in x over the change in y. It should be the change in y over the change in x.  So:  -2-3/-2-4
7 0
3 years ago
Read 2 more answers
Which number is not equal to one of the following expressions? 2,500 × 10 250,000 ÷ 100 2,500 ÷ 10
ololo11 [35]

Answer:

2,500 ÷ 10

Step-by-step explanation:

Let's evaluate each expression one after the other and find out what they both gives us, then we'd now pick or select the one that doesn't give the required answer.

For 2,500 × 10

2500*10 = 25000

For 250,000 ÷ 10

250000/100= 25000

For 2,500 ÷ 10

2500/10= 250

So from the look of the results,

The one that gave us the odd result is

2,500 ÷ 10, and that's our answer.

4 0
3 years ago
Read the following descriptions. Decide who demonstrates a bad habit. Erica has a file folder with old bills and receipts.
Gekata [30.6K]

Answer:

the second one is considered a bad habit as those receipts can come in handy one day

Step-by-step explanation:

4 0
3 years ago
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