Question

There are 90 fifth-grade students going on a field trip. Each student gives the teacher $9.25 to cover admission to the theater and for lunch. Admission for all of the students will cost $315, and each student will get an equal amount to spend on lunch. How much will each fifth grader get to spend on lunch?

Answer 1

There are 90 fifth-graders, and each student gives the teacher $9.25.

9.25 × 90 = 832.5

They gave a total of $832.50 to the teacher.

Admission for all of the students will cost $315

832.50 - 315 = 517.5

They have $517.50 left over for lunch.

Each student will get an equal amount of $ to spend on lunch.

517.50 ÷ 90 = 5.75

Each student will get $5.75.

Answer 2

Each fifth-grader student will spend $5.75 on lunch.

Further explanation

Given:

Number of students = 90 students

Each student gives $9.25 for admission and lunch

Admission for all students = $315

Each student will get an equal amount to spend on lunch.

Question:

How much will each fifth grader get to spend on lunch?

First step, we need to calculate the total amount the students gave to the teacher for admission and lunch

$\boxed {90 \times 9.25 = 832.5}$

then we will calculate the total amount for lunch

$\boxed {832.5 - 315 =517.5 }$

that is the total amount for lunch for all the students. To calculate how much each student get spend on lunch

$\boxed {= \frac{517.5}{90} }\\\boxed {= 5.75 }$

So, each student wil get $5.75 to spend on lunch.

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Keywords: multiplication, decimal multiplication, two digits number additional, additional, subtraction decimal, regrouping