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strojnjashka [21]
2 years ago
7

You earn $80 for working 10 hours. How much do you earn for 2.5 hours? (RATIOS)

Mathematics
2 answers:
enot [183]2 years ago
6 0

Money : Hours

$80 : 10

So let x be the money you earn for 2.5 hours.

x : 2.5

You just need to do this: 80/(10/2.5)

= 80/4

= 20

So you earn $20 for 2.5 hours.

lora16 [44]2 years ago
4 0

Answer:

$20

Step-by-step explanation:

To solve this problem, you need to first find the amount earned per hour (x), then multiply that number by 2.5 hours.

x = 80/10

x = 8

8*2.5 = 20

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2 years ago
If 20,x,y,z,25 are in AP .find the value of X,y,z.​
Kamila [148]

Answers:

  • x = 21.25
  • y = 22.5
  • z = 23.75

=============================================================

Work Shown:

AP = arithmetic progression, which is the same as arithmetic sequence

d = common difference

  • x = 20+d
  • y = 20+2d
  • z = 20+3d

Notice how we scale up the d terms d, 2d, 3d, counting up by 1 each time.

So that must mean 25 is the same as 20+4d

20+4d = 25

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and therefore,

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  • z = 20+3d = 20+3*1.25 = 23.75

We could convert these to fraction form, but I find decimal form is easier in this case.

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