When all the leaves fallen, a girl can rake the entire yard in 8 hours. when boy does it alone it takes 9 hours how long would it take them to take the yard together? round to the nearest minute

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h