After working 4 hours, Frank has made21 machine parts. At the same rate, how
many parts can he make in 7 hours?

Question

anonymous · Answer

divide 4 by 21 then multiple that number by 7 and u have ur answer

anonymous · Answer

in 1 hour Frank will make 21/4 machine parts
                                                      21                  147
so in 7 hours, he will make = ------ x 7 = ------- parts
                                                        4                      4


pls check the numbers again, i think there is some mistake as we r getting a fraction