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Setler [38]
3 years ago
7

Question is on the picture.

Mathematics
2 answers:
serg [7]3 years ago
7 0
So for percent incerease and decrease you could use N-O/O *100
(NEW-OLD, DIVIDED BY OLD TIMES BY 100.

450 IS OLD AND 360 IS NEW SO,,,,,,,,,,,,,,,,,,,,,,,,,, 360-450/450 *100 
THAN YOU GET -20... BUT YOU CAN'T SAY -2O SO YOU SAY 20% DECREASE

20% DECRASE IS YOU ANSWER(YOU ALWAYS HAVE TO PUT INCREASE OR DECREASE)

HOPE IT HELPS :P
                                                                                           
Dafna1 [17]3 years ago
5 0
So first subtract.....as 450-360=90.....and then find ℅ so.....90/450×100=20 ℅ .....so 20℅ answee
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<em>#6: -1/5     #7: 2/3</em>

Step-by-step explanation:

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