Factor. y2 – 4y + 4 (y – [ ? ])2
1 answer:
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Answer:
25 students
Step-by-step explanation:
To solve this problem, use cross multiplication:
3x = 75
x = 25
There are a total of 25 students in the class.
Step-by-step explanation:
Let the digit at tens place of a two digits number be X
The place value of X = 10×X = 10X
The units digit = 5 more than its tens digit
= X+5
The place value of units digit
= (X+5)×1
= X+5
Now
The two digits number
= 10X+X+5
⇛ 11X+5
Therefore ,The two digits number = 11X+5.
