Here is my question answer and give a good explanation: which expression cannot be used to calculate the total amount paid for a meal (m) including a 15% tip?
a. m+0.15m
b. m+1.15m
c. m+3/20m
d. 1.15m

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.

b.my answer is b.

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