raniacakes
02.05.2021 •
Biology
Gressel the Goblin is making an inventory of Darklord Ganondorf’s treasure horde following a raid by some violent fellow named link. The horde now contains only 2150 gems (as in $). Gressel notices that there were twice as many green-gems (worth 1) as blue-gems (worth 5) and 13 fewer blue gems than red-gems (worth 20). How many red, blue and green gems are there remaining in the horde?
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Ответ:
Explanation:
Let the number of blue gems = B
Let the number of green gems = 2B
Let the number of red gems = B + 13
So
5B + 1*2B + 20 ( B + 13) = 2150 simplify
27B + 260 = 2150
27B = 2150 - 260
27B = 1890
B = 1890 / 27 = 70 blue gems
2*70 = 140 green gems
70 + 13 = 83 red gems
web 2 calc site
Ответ:
Let the number of blue gems be B.
Let the number of green gems be 2B.
Let the number of red gems be B + 13.
So,
5B + 1 × 2B + 20 (B + 13) = 2150
On simplifying, we get
27B + 260 = 2150
27B = 2150 - 260
27B = 1890
B = 1890/27 = 70 blue gems.
And, 2 × 70 = 140 green gems.
70 + 13 = 83 red gems.
Ответ:
D
the rest are all learned
Explanation: