Answer: C: $98*(0.06 + 0.18)
Step-by-step explanation:
Always when we have a percentage X% of charge of an amount of money, suppose $100.
The actual cost will be:
(x)*$100 = C.
Where x is the decimal representation of X%:
x = (X%/100%)
In this case, we have two additional charges:
One of 18% and another of 6%.
First we can write them in decimal form:
18%/100% = 0.18
6%/100% = 0.06.
If the price without tax is $98, then the price with the charges will be:
P = (0.18 + 0.06)*$98
The correct option is C.
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The volume is 210 cm^2. Remember that the formula to find the volume is Length times width times height