Posted by **Derrick** on Monday, March 19, 2012 at 4:58pm.

Carlos counted all of the tickets that were taken at a school carnival. Each time he counted 10 tickets, he placed a tally on the chart below.

Adult 16

Child 18

Which number sentence could be used to find t, the total number of tickets he counted?

A.(16+18)+10=t

B.(16+18)-10=t

C.(16+18)x10=t

D.(16+18)divide 10=t

C?

348 students at Bryant's school ride a bus each morning. There are 5 grade levels at his school, and a fairly equal number of students from each grade level ride the bus. About how many students that ride the bus are fifth graders?

A.280

B.140

C.70

D.40

C?

Ms.Clark wants each of 25 children to get 3 cookies at her daughter's party. How many dozens of cookies should Ms.Clark bake to make sure each child receives 3 cookies?

A.4

B.5

C.6

D.7

D?