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30.12.2019 •
Mathematics
The deluxe taco cost 2.95. the vegetarian taco cost 2.25. kenya orders a total of 50 tacos. the total price before tax is 137. how many of each taco did kenya order?
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Ответ:
Kenya bought 35 deluxe taco and 15 vegetarian taco
Step-by-step explanation:
Let x represent the number of deluxe taco that Kenya bought.
Let y represent the number of vegetarian taco that Kenya bought.
Kenya orders a total of 50 tacos. This means that
x + y = 50
The deluxe taco cost 2.95. The vegetarian taco cost 2.25. The total price before tax is 137. This means that
2.95x + 2.25y = 137 - - - - - - - - - - - 1
Substituting x = 50 - y into equation 1, it becomes
2.95(50 - y) + 2.25y = 137
147.5 - 2.95y + 2.25y = 137
- 2.95y + 2.25y = 137 - 147.5
- 0.7y = - 10.5
y = -10.5/-0.7
y = 15
Substituting y = 15 into x = 50 - y, it becomes
x = 50 - 15
x = 35
Ответ:
10 more than one tenth of one tenth of one tenth of 3000=13
Step-by-step explanation:
The one tenth of 3000=
The one tenth of one tenth of 3000=
Similarly, the one tenth of one tenth of one tenth of 3000=
Now, 10 more than one tenth of one tenth of one tenth of 3000=
Therefore, 10 more than one tenth of one tenth of one tenth of 3000==13