a) If three is added to a number and the sum is multiplied by 5 , the result is 100. Find the
number. (4)
Answers
Answered by
0
Answer: The number is 17
Step-by-step explanation:
Take number = x
Then, 5(x+3)=100
=>5(x+3)=100
=>5x+15=100
=>5x=100-15
=>5x=85
=>x=17
Therefore the answer is 17.
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Answered by
19
Answer:
17
Step-by-step explanation:
Let the number be a.
Three is added to a number,
a + 3
The sum is multiplied by 5,
5 ( a + 3 )
The result is 100,
5 ( a + 3 ) = 100
a + 3 = 100 / 5
a + 3 = 20
a = 20 - 3
a = 17
Therefore, the number is 17
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