The first 20 multiples of 7 are: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119, 126, 133, 140.
140,280,420
-the first 10 multiples of 20 are 20,40,60,80,100,120,140,160,180, and 200. :)
5 + 10+15+20=50 ans
The first 3 multiples of 7 are: 7, 14, and 21.
-15
The first four multiples of five: 5, 10, 15, 20
The number of integers that are multiples of both 20 and 7 is infinite. Here are the first few: 140, 280, 420, 560, 700, 840 . . .
the first three common multiples of 7, 20, and 35 are 140, 280, and 420
140, 280, 420 and so on.
140,280,420
140, 280, 420
140, 280, 420
140, 280, 420 and so on.
They are: 140, 280 and 420
-the first 10 multiples of 20 are 20,40,60,80,100,120,140,160,180, and 200. :)
140, 280, 420, 560, 700
These are the first 90 multiples of 7:714212835424956637077849198105112119126133140147154161168175182189196203210217224231238245152159266273280287294301308315322329336343350357364371378385392399406413420427434441448455462469476483490497504511518525532539546553560567574581588595602609616623630