Asquare prism with base length 7 m and height 15 m

Describe what moves you could use to create the transformation of the original image shown at right

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?

£100.80 divided by 14 equals 7.2 how would we put this as money