a.) There were 56 birdhouses at school. Today, 4 classes made more birdhouses. Each class made 8 birdhouses. How many total birdhouses are there now?
b.) Mr. Dent had 32 markers in his classroom. He buys new boxes of markers that have 9 markers in each box. Now, he has 86 markers. How many new boxes did he buy?
c.) Adeline buys 8 packs of Fun Gum. Each Fun Gum pack has 7 pieces of gum. Marisol buys Juicy Gum. Each Juicy Gum pack has 9 pieces of gum. Adeline has 11 more pieces of gum than Marisol. How many packs of gum did Marisol buy?