80% of 30 is equal to 2 / 3 of what

80% of 30 is equal to 2 / 3 of what


30x80% △ 2 / 3
=24 △ 2 / 3
=36
80% of 30 is equal to two-thirds of 36
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23 of a number is equal to 60% of 30______ .


30 × 60% = 18; 18 △ 23 = 27; so the answer is: 27



Xiao Ming wrote two numbers. The difference between the two numbers is exactly equal to the product of the two numbers. One of them is 0.36. What is the other number?


If it is set to x, there are:
X - 0.36 = 0.36X
or
0.36 - X = 0.36X
The results are as follows
X = 9/16 = 0.5625
Or x = 9 / 34 ≈ 0.265
To sum up, another number written by Xiao Ming may be 0.5625 (9 / 16), 9 / 34



There are two numbers whose difference is equal to the product, one of which is 0.36, and the other has two numbers whose difference is equal to one of the products


There are two cases
1、 36-x = 0.36x
Here x = 9 / 44
2、 X-0.36 = 0.36x
Here x = 9 / 16