Answer:
12/54
Step-by-step explanation:
4x3=12
6x9=54
So Maurice would have 2N nickels
Total number of coins is N + 2N + 9 = 3N + 9
Each nickel is 5 pennies
3N of nickels = 15N pennies
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Their worth is 84 cents
15N + 9 = 84
15N = 75
N = 75/15 = 5
N = 5
This means Nina has 5 nickels.
Answer: What do you need, what grade are you in?
Step-by-step explanation:
14.99 *3 = 44.97
44.97*1.06 =47.6682, round off to $47.67 with tax
1. Rewrite the number with the smaller exponent so that it has the same exponent as the number with the larger exponent by moving the decimal point of its decimal number.
2.Add/subtract the decimal numbers. The power of 10 will not change.
3. Convert your result to scientific notation if necessary.