(a) What is the rate percent if the base is 88 and the percentage is 55?
(b) 63 is what percent of 36?
(c) What is 3/4% of $64?
(d) 450% of $5 is what amount?
(e) $245 is 87 1/2% of what amounts?
(f) 2 1/4% of what amount is $9.90?
(g) What percent of $62.50 is $1.25?
(h) $30 is what percent of $6?
(i) 166 2/3% of what amount is $220?
(j) $1.35 is 1/3% of what amount?