Marcel has 20 post cards from his trips. he has 4 post cards from each of his trips. how many trips has marcel gone on

What is the lcm of 16 and 40 ? 24 and 40 ?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.