soham recieved 40 messages on his birthday of these 90 percent were birthday greetings how many other messages did he get besides the greetings ?
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Answer:
4
Step-by-step explanation:
90% of 40= 0.9×40= 9×4=36 are message he received as greetings
10% of 40 = 0.1×40=4
=====>only 4 messages are not greetings
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