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DedPeter [7]
3 years ago
11

Pls help me solve this please show how you got the answer

Mathematics
2 answers:
Tems11 [23]3 years ago
8 0

Step-by-step explanation:

40 button

1/4×40=10 white

1/5×40=8 grey

4 orange

Total=22

Then,subtract

40-22

=18 black buttons

vladimir1956 [14]3 years ago
6 0

Answer:

19 Black Buttons

Step-by-step explanation:

1/4 of 40= 10

1/5 of 40= 8

10+8=18

18+4=21

So there are 21 white grey and orange.

The rest are black so 40-21=19

So 19 black buttons

Hope this helps

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