How about: 14*27 = 378 as one example
378
42 x 9 or 63 x 6
Because its final digital sum equals 9
Answer1 x 9 (number of 1 digit numbers) plus 2 x 89 (number of 2 digit numbers) plus 3(number of 3 digit numbers) x 347 = 1228 The correct answer is 1323. Here is how you do it.1 digit numbers = 92 digit numbers = 90 (99-9) number of 2 digit numbers - number of 1 digit numbers3 digit numbers = 378 (477-99) number of 3 digit numbers - number of 1 & 2 digit numbersSo, the solution is:1x9 = 92x90 = 1803x378 = 11349+180+378 = 1323
To find a two-digit number multiplied by a one-digit number to equal 378, we need to break down 378 into its prime factors: 2 x 3 x 3 x 3 x 7. The factors must be distributed between the two numbers. The closest combination is 18 x 21, which equals 378.
How about: 14*27 = 378 as one example
378
189
42 x 9 or 63 x 6
42 because... 9x = 378 x = 378/9 x = 42
663,768
1 times 378 equals 378.
Because its final digital sum equals 9
1 and 2.
The answer is 567. 2x189=378. 3x189=567.
Answer1 x 9 (number of 1 digit numbers) plus 2 x 89 (number of 2 digit numbers) plus 3(number of 3 digit numbers) x 347 = 1228 The correct answer is 1323. Here is how you do it.1 digit numbers = 92 digit numbers = 90 (99-9) number of 2 digit numbers - number of 1 digit numbers3 digit numbers = 378 (477-99) number of 3 digit numbers - number of 1 & 2 digit numbersSo, the solution is:1x9 = 92x90 = 1803x378 = 11349+180+378 = 1323