3 represent ones value in 780643
Problem: 2/7 (4+c)=6
1. 7/2 x 2/7 x (4+c)=7/2 x 6
2. 4+c=7 x 3
3. 4+c=21
4. c=21-4
Answer: c=17
The numbers should be less than the denominator, therefore i think it's 5/9 , because the rest have a numerator greater than the denominator, even the 3 . it's written as 3/1 and 3 >1.
Answer:
x = 30
Step-by-step explanation:
The figures are similar, thus the ratios of corresponding sides are equal, that is
=
( cross- multiply )
27x = 810 ( divide both sides by 27 )
x = 30