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cecem58
29.07.2020 •
Mathematics
aljebra questions anum counted the money she had in her purse and money box . When she doubbled the amount in her purse and add it to the amount in money box she gets rs 1700 . When she triples the amount in her purse and add in to money box she gets rs 2200. How much money does she have in her purse
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Ответ:
Money in her purse is Rs. 500.
Step-by-step explanation:
Let the money in her purse = Rs.![x\\](/tpl/images/0714/9169/e2261.png)
Let the money in her Money box = Rs.![y](/tpl/images/0714/9169/9512c.png)
As per question statement,
Double the money in her purse (i.e.
........ (1)
Triple the money in her purse (i.e.To find: Money in her purse = ? i.e.![x=?](/tpl/images/0714/9169/5866c.png)
Let us solve for
using the two linear equations.
We can use substitution method here i.e. find value of one variable from one equation and then substitute that value in other equation.
Using equation (1), we get the value of
as follows:
Now, let us put this value of y in equation (2) to find the value of
:
Money in her purse is Rs. 500.
Ответ:
1 : 3 2 : 6 3 : 9 4 : 12 5 : 15
6 : 187 : 218 : 249 : 2710 : 30
11 : 3312 : 3613 : 3914 : 4215 : 45
16 : 4817 : 5118 : 5419 : 5720 : 60
21 : 6322 : 6623 : 6924 : 7225 : 75
26 : 7827 : 8128 : 8429 : 8730 : 90
31 : 9332 : 9633 : 9934 : 10235 : 105
36 : 10837 : 11138 : 11439 : 11740 : 120
41 : 12342 : 12643 : 12944 : 13245 : 135
46 : 13847 : 14148 : 14449 : 14750 : 150
51 : 15352 : 15653 : 15954 : 16255 : 165
56 : 16857 : 17158 : 17459 : 17760 : 180
61 : 18362 : 18663 : 18964 : 19265 : 195
66 : 19867 : 20168 : 20469 : 20770 : 210
71 : 21372 : 21673 : 21974 : 22275 : 225
76 : 22877 : 23178 : 23479 : 23780 : 240
81 : 24382 : 24683 : 24984 : 25285 : 255
86 : 25887 : 26188 : 26489 : 26790 : 270
91 : 27392 : 27693 : 27994 : 28295 : 285
96 : 28897 : 29198 : 29499 : 297100 : 300
You don't need to write all of them, only a few or how many do you want...
Hope I helped you!Success!by a random Romanian guy