Luke divided 16.80 by 2.5 as shown, but he forgot to put the decimal point in the answer.
Complete the sentence below.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot