For a coloring activity, mr. smith needs 15 boxes of crayons for 25 students. how many boxes does mrs. jones need for 30 students?

Why is studying fractions important

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Iknow the answer but the calculator doesn't seem to give the right one