the sum of the 20% of a positive number and 15% of the same number is 70 what is twice of that number
Answers
Answered by
1
Answer:
400
Step-by-step explanation:
20/100*x + 15/100*x = 70
1/5x + 3/20x = 70
x = 70*20/7= 200
2x = 400
Answered by
0
Answer:
140 is the answer
Step-by-step explanation:
twice of 70 =140
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