Molly walked 3.45 miles on a hike. her sister walked 1.23 miles. her brother walked 0.85 miles. round each distance to the nearest tenth of a mile. about how much further did molly walk than her brother and sister combined? a. about 1.2 miles b. about 1.4 miles c. about 2.2 miles d. about 2.4 miles

The price of a box of 15 cloud markers is $12.70. the price of a box of 42 cloud markers is $31.60. all prices are without tax, and the price of the packaging is the same for any size. how much would 50 cloud markers in a box cost? write an equation which will tell the price p for the number n markers in the box.