mrs sogiba is catering for her sons birthday party. she has invited some of her sons friends to the party. the number of friends is a composite multiple of her sons age on his birthday. she has baked 48 cupcakes and each child will recieve exactly the same number of cupcakes. use your knowledge of multiples and factors to find ouy how old her son will be on his birthday.
The only ones that would work are if the factor is composite and if 1 is added to it it can be divided into 48. So 15 would work. The factor 15 is composite, and if 1 is added it can be divided into 48.Therefore the son is 15.
