350 + 300 = 650
350 + (30%) = 455
if your asking X+50+300=354 the answer is 4 add 2 known numbers together x+350=354 subtract the 350 from both sides x=4
350 is an abundant number.
6300
3550
210 + 350 = 560
350 + 80 + 35 = 465
None, but there are countries with dialling codes from 350 to 359, so you will need the next digit to get an answer to your question.
450+400+300+350+250=1,750. Obviously.
245 + 350 = 595
350 + 300 = 650
3555
250 + 100 = 350
350 + (30%) = 455
13850
Number of nuclear weapons by country: Country # of nuclear weapons USA 10'300 Russia 16'000 China 410 France 350