There are only black pens and green pens in a box. The ratio of the number of black pens in the box to the number of green pens in the box is 2:5
What fraction of the pens are black?

What is 1/3x5 on anuber line what does it look like on a number line

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Percent increase and decrease. original number: 45 new number: 18