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Earn +20 ptsQ: What is the sum of the first 15 multiples of 8?
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What is the sum of the first 4 multiples of 5?
5 + 10+15+20=50 ans
What is the sum of the first two multiples of 8?
(1 x 8) + (2 x 8) = (1 + 2) x 8 = 3 x 8 = 24
What is the sum of the first 25 multiples of 4?
Sum of first 25 multiples of 44+8+12....100taking 4 common4(1+2+3+4....+25) = 4*325 =1300
What is the sum of the first 4 multiples of 8 that are greater than 20?
Well, the multiples of 8 go "8, 16, 24...etc." The first four multiples of 8 over 20 are 24, 32, 40, and 48. i) 24 + 32 = 56 ii) 56 + 40 = 96 iii) 96 + 48 = 144 Therefore the sum is 144.
Sum of three consecutive multiples of 8 is 888 find the multiples?
8A + (8A+8) + (8A+16) = 888 24A + 24 = 888 ===> 24A = 864 ===> A = 36 The multiples are 8A, 8A+8, 8A+16 = 288, 296, 304. Sum = 888.
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