Which equation could be used to solve the question below?

Tirza has b books. Her mom has 36 books and her sister has 23 books. They have 82 books in all. How many books does Tirza have?
b - 36 + 23 = 82
b + 36 - 23 = 82
b + 36 + 23 = 82
b - 36 - 23 = 82

Question

Which equation could be used to solve the question below?

Tirza has b books. Her mom has 36 books and her sister has 23 books. They have 82 books in all. How many books does Tirza have?
b - 36 + 23 = 82
b + 36 - 23 = 82
b + 36 + 23 = 82
b - 36 - 23 = 82

anonymous · Answer

Fan and Medal!!!!!

anonymous · Answer

Which equation could be used to solve the question below?

Kitty made b cups of dough. She divided the dough into 3 equal clumps. Each of the dough clumps doubled in size. Now, each clump is made of 6 cups of dough. How many cups of dough did Kitty originally make?
b × 3 × 2 = 6
b ÷ 3 × 2 = 6
b × 6 ÷ 2 = 6
b ÷ 3 ÷ 2 = 6

texaschic101 · Answer

b + 36 + 23 = 82 <--- your equation

b + 59 = 82
b = 82 - 59
b = 23

texaschic101 · Answer

b/3 * 2 = 6