Respuesta :
Answer:
C. $63.00
Step-by-step explanation:
[tex](6*50*0.01)+(5*40*0.05)+(4*50*0.10)+(3*40*0.25)=\\(300*0.01)+(200*0.05)+(200*0.10)+(120*0.25)=\\3+10+20+30=\\13+20+30=\\33+30=\\63[/tex]
He has C. $63.00.
After conversion of all units to single unit , total money with Rubin is equals to $63.00.
What is conversion?
"Conversion is defined as the the process of changing one unit / form to another unit / form. For conversion standard scales are available."
According to the question,
Total pennies with Rubin = 6 × 50 pennies
Total nickels with Rubin = 5 × 40 nickels
Total dimes with Rubin = 4 × 50 dimes
Total quarter with Rubin = 3 × 40 quarters
Conversion of units
1penny = 0.01dollars
1nickel= 0.05 dollars
1 dime = 0.1 dollars
1 quarter = 0.25 dollars
Therefore,
Total money with Rubin after conversion into dollars we get ,
= (6 × 50 ×0.01) + ( 5 × 40 × 0.05) + (4 × 50 × 0.1) + ( 3 × 40 ×0.25)
= 3 + 10 + 20 + 30
= $63.00
Hence, Option(C) is the correct answer.
Learn more about conversion here
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