Interpret each as higher, lower or equal to normal blood Na+ concentration

ththis should be under spanish

on a flat and narrow coastal plain, between the foothills of the brazilian highlands and the atlantic ocean, on the shore of guanabara bay, in the state of rio de janeiro, brazil, the tropical zone in south america.

rewrite 3 ( 4   1 /5 ) as 3 ( 4 +   1 /5 ) . distribute the 3 to get 3(4) + 3 (   1 /5) . multiply to get 12 +   3 /5 . then add to get 12   3 /5   .