SOLUTION: The product of three numbers 0.124. Two of them are 0.1 and 2/10. What is the third number? A)0.62 B)6.2 C)0.124 D) 0.24 E)2.4

Question 832186: The product of three numbers 0.124. Two of them are 0.1 and 2/10. What is the third number?
A)0.62
B)6.2
C)0.124
D) 0.24
E)2.4
Found 2 solutions by jim_thompson5910, jean14:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
0.1*(2/10)*x = 0.124

0.1*0.2*x = 0.124

0.02*x = 0.124

x = 0.124/0.02

x = 6.2 which is choice B)
Answer by jean14(9) (Show Source): You can put this solution on YOUR website!
Dont forget this example i tell you...
Its helpful..
3 x 2 x 4 = 24
If we set it like ;
3 x 2 x ? = 24
6 x ? = 24
To get the missing term, simply divide 24/6 = 4 ... 4 is the missing term.
Chect it above.. Right?
In the prob.
0.1 * 2/10 * ? = 0.124 (2/10=1/5= 0.2)
0.1 * 0.2 = 0.02
So 0.124/0.02 = 6.2 is the missing term
Check:
0.1 * 0.2 * 6.2 =0.124
Answerb
B. 6.2 the third number

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