Tom bought 7 new baseball trading cards to add to his collection the next day his dog ate half of his collection. There are now only 38 cards left how many cards did Tom start with someone help me please!

Can someone check my answer? you : )

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

How is the number of vertices for a prism related to the name of the prism