an 8 in by 10 in photograph is being reduced proportionally. the 10 in side is reduced by x inches. what is the change of the area in terms of x

The surface area would be 576 because you multiply all the numbers then multiply that number by 6

7days is 168 hours in decimal form it is just 168 there is no decimal form for this because it is like 168.0 and there is no number you are dividing it by for it to be a decimal.hope this