if one cat eats 1.5 rats in 1.5 days , then in howmany days 3 cats will eat 3 rats ? ?
1 cat - - - - - - 3 / 2 rat - - - - - - - - - 3 / 2 days 1 cat - - - - - - ( 3 / 2 ) * 2 rat - - - - - ( 3 / 2 ) * 2 days ( rat doubled , days doubled ) 1 * 3 cat - - - - - 3 rat - - - - - - - - - - - 3 / 3 = 1 day ( cat * 3 , same rat , days / 3 ) answer : a
divide(multiply(divide(1.5, 1.5), 3), 3)