Ineed (write two fraction names for p)

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

41/17 as a decimal rounded to the nearest hundredth