



 
Hi Olaniyan, Suppose the first term is $a$ and the second term is $a + d,$ then the third term is $a + 2d.$ If the third term is 10 more than the first term, what is $d?$ What is the seventh term? The seventh term is 7 times the first term. What is $a?$ Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 