Question

What is the sum of multiples of 5 from 15 to 45.​

Answer 1

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Multiples of 5 from 15 to 45 :

15, 20, 25, 30, 35, 40, 45.

now sum = 15+20+25+30+35+40+45 = 210

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Answer 2

Answer:

210

Step-by-step explanation:

15+20+25+30+35+40+45

35+55+75+45

90+120

210

add the first two no. in the sequence

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