41. round the nearest whole number 2.34542. write the ratio as a fraction in simplest form 6 to 42find the percent of increase and decrease.47. hey bracelet that cost $200 last year costs $158 this year. what is the percent of disease? 49.change the quantity to the indicated unit. 60 in= blank ft

2.345 to the nearest whole # would be 2.

6/42 can be reduced to 1/7.

Find the change:  It's $200-$158 = $42 (the difference).  This difference is a decrease of $42.  The percentage decrease would then be [$42/$200]*100%, or 21%.  You don't have to use the " - " symbol because the word "decrease" takes care of that.