roopa built 5 bird houses each day for a week(1 week=7days).Her dog knocked over and broke 2 of the bird houses.how many bird houses are left unbroken.
Options are
1)7+5-2
2)(7*2)-5
3)(7-2)*5
4)(7*5)-2
Answers
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1
Answer:
option 4) ( 5×7 ) -2 is right
Step-by-step explanation:
given
roopa built 5 bird house each day for a week
it means roopa built ( 5×7 ) houses of bird
houses built in a week = ( 5×7 )
dog broke 2 of them
substract from total built houses
( 5×7 ) - 2
hence here option 4) ( 5×7 ) -2 is right
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