3 years ago

3, 2.7 - 3, 1.4 (these are numbers on a x,y graph.)

Mathematics

1 answer:

Serggg [28]3 years ago

6 0

I would help but you don’t have graph:(

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Andrew is buying three different colors of tiles for his kitchen floor. he is buying 50 more purple tiles than black tiles, and

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- Key -

Black tiles = x
Purple tiles = x+50
Yellow tiles = 5x

-

Total = x + x+50 + 5x = 400
⇒ 7x + 50 = 400
⇒ 7x = 400-50 = 350
⇒ x = 350/7
⇒ x = 50

Black tiles = 50
Purple tiles = 50+50 = 100
Yellow tiles = 5 x 50 = 250

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