1. Barbara has $ 75 in her purse. Each doll costs $15 . How many dolls can she buy?   2. A board game has 495 total coins. There are equal number of coins of 5 different colors. How many coins are there of each color?   3. Arthurempties 57 marbles from a small box into a big box that already contains 679 marbles. How many marbles are now there in the big box?   4. Robin arranges 78 blocks in a tall stack. Accidentally, he drops 48 blocks. How many blocks are still there in the stack?   5. Dianemultiplied 75 by 6 on her toy calculator. What product did the calculator display?