15+20+25+30+..........+225=?
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Answered by
1
Answer:
135
Step-by-step explanation:
you have to add up 15+20+25+30 and you get a total of 90. Next you have to take 225 and subtract 90 from it to find the missing number which is 135
Answered by
0
Answer:
write answer is 135.....
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