There are 7 red pens in Caleb's desk drawer. There are 3 more black pens than red pens. There are also 7 more blue pens than red pens. How many pens are there in all?

There are 5 red pens in Roger's desk drawer. There are 5 more black pens than red pens. There are also 4 more blue pens than red pens. How many pens are there in all?

A bookstore sold pens and markers. The ratio of pens to markers was 1 : 4 at first. The store owner bought some more pens and markers to make the total to 62 . Now there were 3 times as many pens as the original quantity, and 7 times as many markers as the original quantity. How many pens were there in the end?

In a bag, there are 6 black pens, 4 blue pens, and 5 red pens. If three pens are drawn without replacement, what is the probability that the first pen is black, the second pen is blue, and the third pen is red?

In Jonah's desk drawer there are 5 yellow highlighters. There are 2 more pink highlighters than yellow highlighters, and there are 8 more blue highlighters than pink highlighters. How many highlighters are in Jonah's desk drawer in all?

A packet contains pens of three different colours.There are 5 times as many blue pens as red pens.There are 3 times as many green pens as red pens.Which of these numbers could be the number of pens in the packet?Question response areaSelect one option  8101618