Question

Estimate the sale price of a $349.99 40 inch plasma tv that is 20% off. write one or two sentence to explain your estimation strategy.

Answer 1

estimation....
20% off means u r paying 80%. 349.99 rounds to 400.
80% of 400.....turn percent to decimal....." of " means multiply.
so 0.8(400) = 320 <== ur estimate