Molly went to the beach and collected a bag of seashells. She kept half of her collection. She gave the other half to Beth and Jack. Jack received three times as many seashells as Beth. If Beth received 8 seashells, how many seashells did Molly collect at the beach?

Question

anonymous · Answer

I need help please

anonymous · Answer

Beth+Jack = 1/2 * Molly
Jack = 3 * Beth
Beth = 8

Substituting 3rd equation into second
Jack = 3 * 8 = 24

Substituting now into first equation
8 + 24 = 1/2 * Molly ... 32 = 1/2 Molly

Multiply both sides by 2
64 = Molly

So yes, the answer is 64.