2/5 x 2/2 = 4/10 1/2 x 5/5 = 5/10 4/10 + 5/10 = 9/10 9 tenths
x+5=10 x+5-5=10-5 x=5
You mean "What percentage is 90 million of 5 billion?" If so, [(90 x 10^6) x 100] / (5 x 10^9) = (9 x 10^9) / (5 x 10^9) = 9/5 = 1.8%
2 squared plus 2 x 3 = 10, 7 squared plus 7 x 2 = 63, 6 squared plus 6 x 5 = 66,8 squared plus 8 x 4 = 96 so 9 squared plus 9 x 7 = 81 + 63 = 144.
5 x (5 + 9) x 9 = 5 x 14 x 9 = 630
127
2/5 x 2/2 = 4/10 1/2 x 5/5 = 5/10 4/10 + 5/10 = 9/10 9 tenths
92,054,000 is the answer.
How about 5 x 9 x enough multiples of 10 to give you 5 digits? 5 x 9 = 45 5 x 9 x 10 = 450 5 x 9 x 10 x 10 = 4500 5 x 9 x 10 x 10 x 10 = 45000 18225
18 + 6 + 2 = 26
5
(x + 4) + (x + 5) = 2x + 9
x + 3/8 = 5/12 x + 9/24 = 10/24 x + 9/24 - 9/24 = 10/24 - 10/24 x = 1/24
(x + 4) + (x + 5) = 2x + 9
x+5=10 x+5-5=10-5 x=5
2,700,200,000
10-6+5 = 9