a scientific calculator has 40 buttons, of which are white, 1/5 are grey, and 4 are orange. the rest of buttons are black. how m

Question

Bas_tet [7]

3 years ago

9

a scientific calculator has 40 buttons, of which are white, 1/5 are grey, and 4 are orange. the rest of buttons are black. how m

any black buttons does the calculator have?

Mathematics

1 answer:

Alisiya [41] · Answer 1 · 2022-01-06T03:31:25+03:00

Alisiya [41]3 years ago

5 0

40 divided by 5 is 8. So there is 8 grey buttons

8+4 is 12.

40-13=27

So there is 27 black buttons

Unless some are white but you never said the amount