maths(p5)

mrs chin sold some of the tarts she had made.she and her husband ate 5/9 of the remainder.she ate 24 tarts which was 2/3 as many as what her husband ate.she gave the rest of the tarts to her mother.the number of tarts given to her mother was 1/4 of the number sold.how many tarts had been sold?

2 units-24
1 unit-24 divide ny 2
=12
3 units-12x3
=36(her husband)
36+24=60
5 units-60
1 unit-60 divide by 5
=12
4 units-12x4
=18(mother)
1 unit-48
4 units-48x4
=192