When dealing with fractions, it is important to realize that it is the quotient of the numerator and the denominator that matters. 8/10 is 0.8, and 80/100 is 0.8. if you multiply the 8/10 x 10/10, it becomes 80/100. likewise, if you reduce 80/100, it becomes 8/10.
C is correct. 1. You do 12.99 times 3 2. $0.69 times 2 3. Add $2.99 to the two prices above 4. Add the $2.52 tax to the prices And you should get around $45 and some change
