Question

1. stewart school has 178 computers. grade 3 has 58 computers and grade 4 has 57 computers. write and solve equations to find the number of computers the rest of the school has. 3.ar.1.2
2. the school bookstore had 246 notebooks. this week the bookstore sold 132 notebooks. the manager then brought in 225 more notebooks. write and solve equations to find the number of notebooks the bookstore has now. 3.ar.1.2

Explanation:

For Problem 7:

Step1: Sum Grades 3&4 computers

$58 + 57 = 115$

Step2: Subtract from total computers

$178 - 115 = 63$

Step1: Subtract sold notebooks

$246 - 132 = 114$

Step2: Add new notebooks

$114 + 225 = 339$

Answer:

63

---

For Problem 8: