1.25 parts x equals 0
The cross wants to multiply 0.25x = 8 * 1.25, that is, 0.25x = 10, x = 10 / 0.25 = 40
So x = 40
1 and 9 and 7 and 3. How does it equal 23?
(1+9)×3-7=23
(3-1)×7+9=23
1 / 2 of a number is equal to the ratio of 30 to 20. Find the number
Let this number be X
Then, the proportion formula is as follows:
1/2x:1=30:20
We get x = 3