Bob goes shopping. He spends half of his money on groceries, half of what is left on a new tie, and half of what is then left on a new book. With the remaining money, he buys two bouquets
that cost $10 each. How much money did Bob have when he started shopping?
A $60
B $80
C $160
D$320

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?